Organic Compounds Containing Nitrogen MCQ for Entrance Exam

MCQs (Multiple Choice Questions) on Organic Compounds Containing Nitrogen for NEET, JEE Main NEET previous year question 1. Method by...

MCQs (Multiple Choice Questions) on Organic Compounds Containing Nitrogen for NEET, JEE Main


NEET previous year question

1.Method by which Aniline cannot be prepared is [CBSE AIPMT 2015]
  • (A) Potassium salt of phthalimide treated with chlorobenzene followed by hydrolysis with aqueous NaOH solution
  • (B) Hydrolysis of phenylisocyanide with acidic solution
  • (C) Degradation of benzamide with bromine in alkaline solution
  • (D) Reduction of nitrobenzene with H2/Pd in ethanol
2.The following reaction is known by the name [CBSE AIPMT 2015]

The following reaction is known by the name [CBSE AIPMT 2015]

(A) Acetylation reaction (B) Schotten-Baumen reaction (C) Friedel-Craft’s reaction (D) Perkin’s reaction

3.Electrolytic reduction of nitrobenzene in weakly acidic medium gives: [CBSE AIPMT 2004]
  • (A) Aniline
  • (B) p-Hydroxy aniline
  • (C) N-Phenyl hydroxyl amine
  • (D) Nitroso benzene
4.Aniline in a set of the following reactions yielded a coloured product ‘Y’ , The structure of ‘Y’ would be : [CBSE AIPMT 2010]

Aniline in a set of the following reactions yielded a coloured product Y  The structure of Y would be [CBSE AIPMT 2010]
Aniline in a set of the following reactions yielded a coloured product ‘Y’ ,  The structure of ‘Y’ would be 
CBSE AIPMT 2010

5.The correct statement regarding the basicity of arylamines is : [NEET 2016]
  • (A) Arylamines are generally more basic than alkylamines because of aryl group
  • (B) Arylamines are generally more basic than alkylamines, because the nitrogen atom in arylamines is sp-hybridized
  • (C) Arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring π electron system
  • (D) Arylamines are generally more basic than alkylamines because the nitrogen lone-pair electrons are not delocalized by interaction with the aromatic ring π electron system
6.In the reaction A is [NEET 2013]

In the reaction  A is [NEET 2013]

(A) HgSO4/H2SO4 (B) Cu2Cl2 (C) H3PO2 and H2O (D) H+/H2O
7.Which one of the following is most reactive towards electrophilic reagent? [CBSE AIPMT 2011]

Which one of the following is most reactive towards electrophilic reagent [CBSE AIPMT 2011]

8.What is the product obtained in the following reaction: [CBSE AIPMT 2011]

What is the product obtained in the following reaction[CBSE AIPMT 2011]

9.Which of the following statements about primary amines is ‘False‘? [CBSE AIPMT 2010]
  • (A) Alkyl amines are stronger bases than aryl amines
  • (B) Alkyl amines react with nitrous acid to produce alcohols
  • (C) Aryl amines react with nitrous acid to produce phenols
  • (D) Alkyl amines are stronger bases than ammonia
10.Which one of the following on reduction with lithium aluminium hydride yields a secondary amine? [CBSE PMT 2007]
  • (A) Methyl isocyanide
  • (B) Acetamide
  • (C) Methyl cyanide
  • (D) Nitroethane
11.Z in the above reaction sequence is: [CBSE AIPMT 2002]

Z in the above reaction sequence is [CBSE AIPMT 2002]

(A) CH3CH2CH2NHCOCH3 (B) CH3CH2CH2NH2 (C) CH3CH2CH2CONHCH3 (D) CH3CH2CH2CONHCOCH3

JEE Main/AIEEE previous year question

In the Hofmann bromamide degradation reaction, the number of moles of NaOH and Br2 used per mole of amine produced are [JEE Main 2016]
  • (A) Four moles of NaOH and two moles of Br2
  • (B) Two moles of NaOH and two moles of Br2
  • (C) Four moles of NaOH and one mole of Br2
  • (D) One mole of NaOH and one mole of Br2
Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then heated with cuprous bromide. The reaction mixture so formed contains [AIEEE 2008]
  • (A) mixture of o− and p−bromotoluenes
  • (B) mixture of o− and p−dibromobenzenes
  • (C) mixture of o− and p−bromoanilines
  • (D) mixture of o− and m−bromotoluenes
In the chemical reaction, CH3CH2NH2 + CHCl3 + 3KOH ⟶ (A) + (B) + 3H2O, the compounds (A) and (B) are respectively [AIEEE 2007]
  • (A) C2H5CN and 3KCl
  • (B) CH3CH2CONH2 and 3KCl
  • (C) C2H5NC and K2CO3
  • (D) C2H5NC and 3KCl
Which one of the following is the strongest base in aqueous solution? [AIEEE 2007]
  • (A) Trimethylamine
  • (B) Aniline
  • (C) Dimethylamine
  • (D) Methylamine
The compounds ‘A’ and ‘B’ respectively are [AIEEE 2010]

the compounds ‘A’ and ‘B’ respectively are [AIEEE 2010]

(A) Nitrobenzene and chlorobenzene (B) Nitrobenzene and fluorobenzene (C) Phenol and benzene (D) Benzene diazonium chloride and fluorobenzene

SET/PET previous year question

The starting compound ‘P’ is [Karnataka CET 2015]

The starting compound ‘P’ is [Karnataka CET 2015]

(A) o-nitro toluene (B) m-nitro toluene (C) o-bromo toluene (D) p-nitro toluene
Diethyl amine when treated with nitrous acid yields [MH CET 2015]
  • (A) Diethyl ammonium nitrite
  • (B) Ethyl alcohol
  • (C) N-nitroso diethyl amine
  • (D) Triethyl ammonium nitrite
One of the following amide will not undergo Hoffmann bromamide reaction: [Karnataka CET 2015]
  • (A) CH3CONH2
  • (B) CH3CONHCH3
  • (C) C6H5CONH2
  • (D) CH3CH2CONH2
Replacement of diazonium group by fluorine is known as [MH CET 2015]
  • (A) Gattermann reaction
  • (B) Sandmeyer reaction
  • (C) Balz-Schiemann reaction
  • (D) Etard reaction
An organic compound ‘A’ on reduction gives compound ‘B’, which on reaction with trichloromethane and caustic potash forms ‘C’. The compound  ‘C’ on catalytic reduction gives N-methyl benzenamine, the compound  ‘A’ is [Karnataka CET 2016]
  • (A) Nitrobenzene
  • (B) Nitromethane
  • (C) Methanamine
  • (D) Benzenamine
The amine ‘A’ when treated with nitrous acid gives yellow oily substance. The amine A is [MHT CET 2016]
  • (A) triethylamine
  • (B) trimethylamine
  • (C) aniline
  • (D) methylphenylamine
Select the compound which on treatment with nitrous acid liberates nitrogen. [MHT CET 2016]
  • (A) Nitroethane
  • (B) Triethylamine
  • (C) Diethylamine
  • (D) Ethylamine
‘R’ is [Karnataka CET 2014]

Organic Compounds Containing Nitrogen MCQ

(A) o-bromo sulphanilic acid (B) sulphanilamide (C) sulphanilic acid (D) p-bromo sulphanilamide
The correct sequence of reactions to be performed to convert benzene into m-bromoaniline is [Karnataka CET 2014]
  • (A) nitration, reduction, bromination
  • (B) bromination, nitration, reduction
  • (C) nitration, bromination, reduction
  • (D) reduction, nitration, bromination
An aromatic compound ‘A’ (C7H9N) on reacting with NaNO2/HCl at 0C forms benzyl alcohol and nitrogen gas. The number of isomers possible for the compound ‘A’ is [Karnataka CET 2014]
  • (A) 5
  • (B) 7
  • (C) 3
  • (D) 6
Presence of nitrogen in which among the following compounds can NOT be detected by Lassaigne method ? [MH-CET 2014]
  • (A) Hydrazine
  • (B) Aniline
  • (C) p-Toluidine
  • (D) Picric acid
Reduction of aromatic nitro compounds using Fe and HCl gives _____.
  • (A) aromatic oxime
  • (B) aromatic hydrocarbon
  • (C) aromatic primary amine
  • (D) aromatic amide
The gas evolved when methylamine reacts with nitrous acid is ______.
  • (A) N2
  • (B) H2
  • (C) C2H
  • (D) NH3
Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of [MHT CET 2016]
  • (A) trifluoroperoxyacetic acid
  • (B) acidified potassium permanganate
  • (C) concentrated nitric acid
  • (D) potassium dichromate and dilute sulphuric acid
In the given set of reactions, the IUPAC name of product ‘Y’ is [Karnataka CET 2015]


A) N-Methylpropanamine (B) N-Isopropylmethylamine (C) Butan-2-amine (D) N-Methylpropan-2-amine
Which of the following is the most stable diazonium salt ? [MH-CET-2015]
  • (A) C6H5CH2N2+X
  • (B) CH3N2+X
  • (C) CH3CH2N2+X
  • (D) C6H5N2+X

WBJEE previous year question

The reaction of aniline with chloroform under alkaline conditions leads to the formation of [WBJEEM 2014]
  • (A) Phenyl cyanide
  • (B) Phenyl isonitrile
  • (C) Phenyl cyanate
  • (D) Phenyl isocyanate
On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is [JEE Main 2014]
  • (A) An alkanediol
  • (B) An alkyl cyanide
  • (C) An alkyl isocyanide
  • (D) An alkanol
Considering the basic strength of amines in aqueous solution, which one has the smallest pKb value? [JEE Main 2014]
  • (A) CH3NH2
  • (B) (CH3)3N
  • (C) C6H5NH2
  • (D) (CH3)2NH
The reagent with which the following reaction is best accomplished is [WBJEEM 2014] C6H5-N2CI to C6H5-H
(A) H3PO(B) H3PO(C) H3PO(D) NaHSO3
The reaction of aniline with chloroform under alkaline conditions leads to the formation of [WBJEEM 2014]
  • (A) Phenyl cyanide
  • (B) Phenyl isonitrile
  • (C) Phenyl cyanate
  • (D) Phenyl isocyanate
Which of the following compound will not undergo azo coupling reaction with benzene diazonium chloride?
  • (A) Aniline
  • (B) Phenol
  • (C) Anisole
  • (D) Nitrobenzene
Hoffmann Bromamide Degradation reaction is shown by _____.
  • (A) ArNH2
  • (B) ArCONH2
  • (C) ArNO2
  • (D) ArCH2NH2

Model Sample MCQ Questions

1.Acetamide and ethyl amine can be distinguished by reacting with             
  • (a) aq. HCl and heat
  • (b) aq. NaOH and heat
  • (c) acidified KMnO4
  • (d) bromine water
2.Which of the following compound gives dye test
  • (a) Aniline               
  • (b) Methylamine                 
  • (c) Diphenylamine                 
  • (d)Ethylamine
3. CH3CH2Cl + NaCN——–>X +(Ni/ H2 ) ——–> Y+Aceticanhydride ——–> Z
In the above reaction sequence, Z is                                  
  • (a) CH3CH2CH2NHCOCH3
  • (b) CH3CH2CH2NH2
  • (c) CH3CH2CH2CONHCH3
  • (d) CH3CH2CH2CONHCOCH3
4. Aniline in a set of reactions yielded a product 

Organic Compounds Containing Nitrogen MCQ

The structure of the product D would be
  • (a) C6H5CH2NH2
  • (b)C6H5NHCH2CH3
  • (c)C6H5NHOH
  • (d)C6H5CH2OH
5.Intermediates formed during the reaction of RCONH2 with Br2 and KOH are                                
  • (a) RCONHBr and RNCO
  • (b) RNHCOBr and RNCO
  • (c) RNHBr and RCONHBr
  • (d) RCONBr2
6. In a reaction of aniline a colored product C was obtained.

In a reaction of aniline a colored product C was obtained. Organic Compounds Containing Nitrogen MCQ

7.Consider the following sequence of reactions
Compound [A] ——(Reduction)——->[B] ——–(HNO2)———>CH3CH2OH 
The compound A is                                                                             
  • (a) CH3CH2CN                             
  • (b) CH3NO2
  • (c) CH3NC                                   
  • (d) CH3CN
8. The final product C, obtained in this reaction

The final product C, obtained in this reaction Organic Compounds Containing Nitrogen MCQ

9.Aniline is reacted with bromine water and the resulting product is treated with an aqueous solution of sodium nitrite in presence of dilute hydrochloric acid. The compound so formed is converted into a tetrafluoroborate which is subsequently heated. the final product is                               
  • (a) 1,3,5-tribromobenzene
  • (b) p-bromofluorobenzene
  • (c) p-bromoaniline
  • (d) 2,4,6-tribromofluorobenzene
10.What is the end product in the following sequences of operations;Acetamide———(P2O5)——->A———(4H)——-> B ?
  • (a) CH3NH                                
  • (b) C2H5NH2
  • (c) CH3CN                                   
  • (d) CH3COONH4
11.Primary, Secondary and tertiary amines may be separated by using:
  • (a) ethanoyl chlorode
  • (b) diethyl oxalate
  • (c) thionyl chlorode
  • (d) none of these
12.Primary nitroalkanes on hydrolysis give:
  • (a) RCOOH + NH2OH
  • (b) RCOOH
  • (c) NH2OH
  • (d) RCOR
13.How many primary amines are posible for the formula C4H11N ?
  • (a) 1
  • (b) 2
  • (c) 3
  • (d) 4
14.The type of isomerism shown by C6H5CN and C6H5NC is:
  • (a) position
  • (b) functional
  • (c) enantiomerism
  • (d) tautomerism
15. The nitration of nitrobenzene with fuming HNO3 will give:
  • (a) TNB
  • (b) 1,3-dinitrobenzene
  • (c) picric acid
  • (d) 1,4-dinitrobenzene
16. When NaNO2 and dilute HCl were added to an amine at 0°c, a colourless gas was evolved and an ionic compound is formed. The amine is:
  • (a) any primary amine
  • (b) an aromatic primary amine
  • (c) any amine
  • (d) none of the above
17.The compound obtained by heating a mixture of primary amine and chloroform with ethanolic pottasium hydroxide (KOH) is [CBSE PMT 1997]
  • (a) an alkyl isocyanide
  • (b) an alkyl halide
  • (c) an amide
  • (d) an amide and nitro compound
18.Among the following, the strongest base is:
  • (a) C6H5NH2
  • (b) p-NO2-C6H4NH2
  • (c) m-NO2-C2H4NH2
  • (d) C2H5CH2NH2
19.A reagent suitable for the determination of N-terminal residue of a peptide is [CBSE PMT 1996]
(a) p-toluene sulphonyl chloride
(b) 2,4-dinitrophenyl hydrazine
(c) carboxypeptidase(d) 2,4-dinitro fluorobenzene
20.Which of the following is more basic than aniline ? [CBSE PMT 2006]
  • (a) Diphenylamine
  • (b) Triphenylamine
  • (c) p-nitroaniline
  • (d) Benzylamine
21.
A nitrogenous substance X is treated with HNO2 and the product so formed is further treated with NaOH solution, which produces blue colouration. X can be:
  • (a) CH3CH2NH2
  • (b) CH3CH2NO2
  • (c) (CH3)2C(N=O)(NO2)
  • (d) CH3CH2ONO
22. An amine reacts with C6H5SO2Cl  and the product is soluble in alkali, amine is:
  • (a) 1°
  • (b) 2°
  • (c) 3°
  • (d) all of those
23.Alkanamide, which on Hofmann’s reaction gives 1-phenylethylamine, is:
  • (a) 2-phenylpropanamide
  • (b) 3-phenylpropanamide
  • (c) 2-phenylethanamide
  • (d) N-phenylethanamide
24.Alkyl halide (RX) on treatement with KCN followed by reduction leads to formation of:
  • (a) RNH2
  • (b) RCH2NH2
  • (c) RH + NH3
  • (d) RCH3 + N2
25.Dehydration of an amide gives:
  • (a) cyanide
  • (b) amine
  • (c) isocyanide
  • (d) fatty acid
26.The nitration of nitrobenzene with fuming HNO3 will give:
  • (a) TNB
  • (b) 1,3-dinitrobenzene
  • (c) picric acid
  • (d) 1,4-dinitrobenzene
27.Among the following, the strongest base is:
  • (a) C6H5NH2
  • (b) p-NO2-C6H4NH2
  • (c) m-NO2-C2H4NH2
  • (d) C2H5CH2NH2
28.A reagent suitable for the determination of N-terminal residue of a peptide is [1996]
  • (a) p-toluene sulphonyl chloride
  • (b) 2,4-dinitrophenyl hydrazine
  • (c) carboxypeptidase
  • (d) 2,4-dinitro fluorobenzene
29.Which of the following is more basic than aniline ? [2006]
  • (a) Diphenylamine
  • (b) Triphenylamine
  • (c) p-nitroaniline
  • (d) Benzylamine
30.A secondary amine is:
  • (a) a compound with two -NH2 groups
  • (b) a compound with 2 carbon atoms and a -NH2 group
  • (c) a compound with a -NH2 group on the carbon atom in number 2 position
  • (d) a compound in which 2 of the hydrogens of NH3 have been replaced by alkyl or aryl groups
31.Indicate which nitrogen compound amongst the following would undergo Hofmann reaction? [1989]
  • (a) RCONHCH3
  • (b) RCOONH4
  • (c) RCONH2
  • (d) RCONHOH
32.Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine ? [2010]
  • (a) NaOH/ Br2
  • (b) Sodalime
  • (c) Hot conc. H2SO4
  • (d) PCl5
33.Butanonitrile may be prepared by heating
  • 1. Propyl alcohol with KCN
  • 2. Butyl chloride with KCN
  • 3. Butyl alcohol with KCN
  • 4. Propyl chloride with KCN
34.An amine is reacted with benzene sulphonyl chloride then a solid compound is formed which is insoluble in alkali, The amine is
  • (1) CH3−CH2−NH2
  • (2) CH3−NH−CH2−CH3
  • (3) (CH3)3N
  • (4) C6H5−NH2
35.Hydrolysis of alkyl isocyanide yields
  • (1) Primary Amine
  • (2) Tertiary Amine
  • (3) Alcohol
  • (4) Aldohyde
36

Organic Compounds Containing Nitrogen MCQ

37. What will be the product of the following reaction

What will be the product of the following reaction Organic Compounds Containing Nitrogen MCQ

38.Which of the following alkene cannot be prepared by de-amination of n-Bu-NH2 with NaNO2/HCl ?
  • (a) 1-butene
  • (b) cis-2-butene
  • (c) trans-2-butene
  • (d) Iso-butene
39.Deamination (or) diazotization of n-Bu-NH2 with NaNO2/HCl gives ……… isomeric butene.
  • (a) 2
  • (b) 3
  • (c) 4
  • (d) 5
40.Ethylamine and diethylamine cannot be differentiated by:
  • (a) Hinsberg test                           
  • (b) carbylamine test
  • (c) Iodoform test                           
  • (d) both (a) and (b)
41.Lassaigne’s test for the detection of nitrogen will fail in the case of :
  • (a) NH2CONH2
  • (b) NH2CONHNH2.HCl
  • (c) NH2NH2.HCl
  • (d) C6H5NHNH2.2HCl
42.In alkyl nitrites the oxygen of —O—N=O group is linked with carbon. An alkyl nitrite is:
  • (a) an ester
  • (b) a nitro compound
  • (c) an amide
  • (d) a nitrile
43.Gabriels phthalimide reaction is used to prepare:
  • (a) p-amine
  • (b) s-amine
  • (c) t-amine
  • (d) all of those
44.Gas evolved during the reacton of sodium metal on ethyl-amine is:
  • (a) N2
  • (b) C2H2
  • (c) H2
  • (d) CO2
45.Ethylamine undergoes oxidation in the presence of KMnOfollowed by hydrolysis to form:
  • (a) an acid
  • (b) an alcohol
  • (c) an aldehyde
  • (d) a N-oxide
46.Hinsberg’s method to separate amines is based on the use of:
  • (a) benzene sulphonyl chloride
  • (b) benzene sulphonic acid
  • (c) ethyl oxalate
  • (d) acetyl chloride
47.Mark the correct statement:
  • (a) Methylamine is slightly acidic
  • (b) Methylamine is less basic than ammonia
  • (C) Methylamine ia a stronger base than ammonia
  • (d) Methylamine forms salts with alkalies
48.A colourless organic compound gave brisk effervescence with a mixture of NaNO2 and dil.HCl. It could be:
  • (a) glucose
  • (b) oxalic acid
  • (c) urea
  • (d) benzoic acid
49.Aliphatic amines are soluble in water because:
  • (a) they are basic
  • (b) they are amino compounds
  • (c) they are lighter than water
  • (d) of formation of hydrogen bonds with water
50.Which nitro compound will show tautomerism?
  • (a) C6H5NO2
  • (b) (CH3)3CNO2
  • (c) CH3CH2NO2
  • (d) o-nitrotoluene
51.Which of the following reagents will convert nitromethane into methylamine ?
  • (a) Zn/HCl
  • (b) Zn/NaOH
  • (c) Zn/C2H5OH
  • (d) Ni/H2
52.Nitrobenze on reduction with Al-Hg and water gives:
  • (a) azobenze
  • (b) aniline
  • (c) azoxy benzene
  • (d) phenylhydroxylamine
53.The hydrochlorides of amines form double salt with: 
  • (a) PtCl4
  • (b) AuCl3
  • (c) both (a) and (b)
  • (d) none of these
54.The reduction of CH3CN to CH3CH2NH2 is called:
  • (a) Rosenmund’s reduction
  • (b) Clemmensen’s reduction
  • (c) Mendius reduction
  • (d) Hofmann’s reduction
55.Aniline and ethylamine resembles in:
  • (a) solubility
  • (b) action with HNO2
  • (c) action of Grignard reagent
  • (d) coupling reaction
56.CH3CH2NH2 contains a basic NH2 group, but CH3CONH2 does not, because;
  • (a) acetamide is amphoteric in character
  • (b) in CH3CH2NH2 the electron pair on N-atom is delocalised by resonance
  • (c) in CH3CH2NH2 there is no resonance, while in acetamide the lone pair of electron on N-atom is delocalised and therefore less available for protonation
  • (d) none of the above
57.Mendius method of preparation of amines consists of: 
  • (a) catalytic reduction of alkyl cyanides
  • (b) reduction of amide with LiAlH4 
  • (c) reduction of nitroparaffin with Sn + HCl
  • (d) reduction of oximes with Na + C2H5OH
58.A primary amine heated with CS2 in presence of excess of HgCl2 gives isothiocyanate. The reaction is called:
  • (a) Hofmann’s bromamide reaction
  • (b) Hofmann’s mustard oil reaction
  • (c) Perkin’s condensation
  • (d) Hofmann’s elimination
59.Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. The compound formed is generally known as:
  • (a) Schiff’s base
  • (b) an enamine
  • (c) an imine
  • (d) an amine
60.Biuret test is not given by: 
  • (a) proteins
  • (b) carbohydrates
  • (c) polypeptides
  • (d) urea
61.An aromatic amine (A) was treated with alcoholic potash and another compound (Y) when a foul smelling gas was formed with formula C6H5NC. (Y) was formed by reacting a compound (Z) with Cl2 in the presence of slaked lime. Compound (Z) is:
  • (a) C6H5NH2
  • (b) CH3OH
  • (c) CH3COCH3
  • (d) CHCl3
62.Aniline was acetylated. The product on nitration followed by alkaline hydrolysis gave:
  • (a) o-nitroacetanilide
  • (b) o- and p-nitroaniline
  • (c) m-nitroaniline
  • (d) acetanilide
63.Pyridine possesses :
  • (a) aromatic nature
  • (b) unsaturated aliphatic nature
  • (c) alicyclic nature
  • (d) aliphatic nature
64.Ammoniacal solution of Ni(CN)2 reacts with C6H6 to produce a light violet coloured crystaline compound of the formula:
  • (a) Ni(CN)2⋅C6H5
  • (b) C6H5CH3
  • (c) Ni(CN)2C6H6
  • (d) Ni(CN)2NH3⋅C6H6
65. Choose the correct statement from the ones given below for two anilium in:

Organic Compounds Containing Nitrogen MCQ

  • (a) II is not an acceptable canonical structure because carbonium ions are less stable than ammonium ions
  • (b) II is not an acceptable canonical structure because it is non-aromatic
  • (c) II is not an acceptable canonical structure because the nitrogen has 10 valence electrons
  • (d) II is an acceptable canonical structure
66.When nitrobenzene is treated with Br2 in presence of FeBr3, the major product formed is m-bromonitrobenzene. Statements which are related to obtain the m-isomer are:
  • (a) the relative electron density on meta carbon is more than that of ortho and para positions
  • (b) loss of aromaticity when Br+ attacks at the ortho and para positions and not at meta position
  • (c) easier loss of H+ to regain aromaticity from the meta positions than from ortho and para positions
  • (d) none of the above
67. Amongst the compounds given, the one that would form a brillient coloured dye on treatment with NaNO2 in dil. HCl followed by addition to an alkaline solution of b-napthol is:

Organic Compounds Containing Nitrogen MCQ

68. The presence of NH4+ radical in solution can be detected by:
  • (a) Fehling’s solution
  • (b) Benedict’s solution
  • (c) Schiff’s reagent
  • (d) Nessler’s reagent
69. Potassium thiocyanate solution reacts with ferric chloride to give:
(a) pink colour
(b) deep blue colour
(c) green colour
(d) blood-red colour
70.Which of the following reactions is appropriate for converting acetamide to methanamine ?
  • (a) Carbylamine reaction
  • (b) Hofmann hypobromamide reaction
  • (c) Stephens reaction
  • (d) Gabriels phthalimide synthesis
71. A given nitrogen-containing aromatic compound a reacts with Sn/HCl, followed by HNO2 to give an unsatable compound B.B, on treament with phenol, forms a beautiful coloured compound C with the molecular formula C12H10N2O. The structure of compound A is

A given nitrogen-containing aromatic compound a reacts with Sn/HCl, followed by HNO2 to give an unsatable compound B.B, on treament with phenol, forms a beautiful coloured compound C with the molecular formula C12H10N2O. The structure of compound A is

72.The correct statement regarding the basicity of arylamines is
  • (a) Arylamines are generally more basic than alkylamines because the nitrogen lone-pair electrons are not delocalized by interaction with the aromatic ring p-electron system.
  • (b) Arylamines are generally more basic than alkylamines because of aryl group.
  • (c) Arylamines are generally more basic than alkylamines, because the nitrogen atom in arylamines is sp-hybridized
  • (d) Arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring p-electron system.
73.The electrolytic reduction of nitrobenzene in strongly acidic medium produces
  • (a) p-aminophenol
  • (b) azoxybenzene
  • (c) azobenzene
  • (d) aniline
74.Method by which aniline cannot be prepared is
  • (a) hydrolysis phenyl isocyanide with an acidic solution
  • (b) degradation of benzamide with bromine in alkaline solution
  • (c) reduction of nitrobenzene with H2/Pd in ethanol
  • (d) potassium salt of phthalimide treated with chlorobenzene followed by the hydrolysis with aqueous NaOH solution
75. Which of the following will be most stable diazonium salt RN2+X?
  • (a) CH3 RN2+X
  • (b) C6H5 RN2+X
  • (c) CH3CH2 RN2+X
  • (d) C6H5CH2 RN2+X
76.Which one of the following is an amine hormone ?
  • (a) Thyroxine
  • (b) Oxypurin
  • (c) Insulin
  • (d) Progesterone
77.Which of the following is more basic than aniline ?
  • (a) Diphenylamine
  • (b) Triphenylamine
  • (c) p-nitroaniline
  • (d) Benzylamine

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