p Block Elements MCQ for Entrance Exam

This course will help students in preparing MCQ’s for competitive exams like NEET , JEE Main, WBJEE and other competitive exams through various mock tests.

CHEMISTRY – MCQs | QUESTIONS Chemistry Topic Wise Tests for 12th P block elements, JEE (Main) and NEET  aspirants.

p block elements mcqs for Entrance Exam

p Block Elements MCQ | NEET previous year questions

1.Which is the strongest acid in the following? [NEET 2013]
  • A HClO3 
  • HClO4
  • C H2SO3 
  • D H2SO4
2.Which of the following does not give oxygen on heating? [NEET 2013]
  • A Zn(ClO3)2 
  • B K2Cr2O7 
  • C (NH4)2Cr2O
  • D KClO3
3.XeF2 is isostructural with [NEET 2013] 
  • A ICl2 
  • B SbCl3 
  • C BaCl2 
  • D TeF2
4.The pair of species that has the same bond order in the following is: [NEET 2013] 
  • A O2,  B2 
  • B CO, NO+  
  • C NO, CN– 
  • D O2, N2
5.Roasting of sulphides gives the gas X as a byproduct This is a colorless gas with choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic acts as a reducing agent and its acid has never been isolated. The gas X is [NEET 2013] 
  • A SO2
  • B CO2
  • C SO3
  • D H2S
6.Which statement is wrong? [NEET 2013] 
  • A Feldspars are not aluminosilicates 
  • B Beryl is an example of cyclic silicate
  • C Mg2SiO4 is orthosilicate
  • D Basic structural unit in silicates is the SiO4 tetrahedron
7.Which one of the following arrangements represents the correct order of least negative to most negative electron gain enthalpy for C, Ca, Al, F and O? [NEET 2013] 
  • A Ca < Al < C < O < F 
  • B Al < Ca < O < C < F 
  • C Al < O < C < Ca < F 
  • D C < F < O < Al < Ca

p-Block Elements MCQs | AIIMS previous year questions

  1. Which of the following is pyrophosphoric acid [ AIIMS 1987]
     a) H3PO4
     b) H4P2O7
     c) H4P2O5
     d) H3PO4

  2. In the P3-, S2- and Cl- ions the increasing order of size is ... [ AIIMS 1996]
     a) Cl- < S2- < P3-
     b) P3- < S2- < Cl-
     c) S2- < Cl- < P3-
     d) S2- < P3- < Cl-

  3. Which of the following is arranged in the increasing order of enthalpy of vaporisation? [AIIMS 2004]
    a) NH3, AsH3, PH3
    b) AsH3, PH3, NH3
    c) NH3, PH3, AsH3
    d) PH3, AsH3, NH3
  4. Producer gas is a mixture of [AIIMS 1998, 2000]
     a) CO + H2
     b) H2 + CH4
     c)CO +N2
     d) CO +H2O

p Block Elements MCQs | CBSE AIPMT previous year questions

p Block Elements MCQ very past previous year question of CBSE AIPMT .Wish it helps !
1.When orthophosphoric acid is heated to 600°C, the product formed is … [ CBSE PMT 1989]
  •  a) PH3
  •  b) P2O5
  •  c) H3PO3
  •  d) HPO3
2.Which of the following statements is not valid for oxoacids of phosphorus? [CBSE AIPMT 2012]
A All oxoacids contain tetrahedral four coordinated phosphorus
B All oxoacids contain at least one P = O unit and one P – OH group
C Orthophosphoric acid is used in the manufacture of triple superphosphate
D Hypophosphorous acid is a diprotic acid
3.When Cl2 gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from [CBSE AIPMT 2012] 
  • A.0 to – 1 and zero to +3
  • B.0 to + 1 and zero to –3 4
  • C.0 to + 1 and zero to –5
  • D.0 to – 1 and zero to +5
4.In which of the following compounds, nitrogen exhibits highest oxidation state? [CBSE AIPMT 2012] 
  • A)N3H 
  • B)NH2OH 
  • C)N2H4 
  • D)NH3
5.Sulphur trioxide can be obtained by which of the following reaction [CBSE AIPMT 2012] 
  • A S + H2SO4 + Heat
  • B H2SO4 + PCl3 + heat
  • C CaSO4 + C + heat
  • D Fe2(SO4)3 + heat
6.The correct order of increasing bond angles in the following species is [CBSE AIPMT 2010]
A.Cl2O < ClO2 < ClO2
B.ClO2 < Cl2O < ClO2
C.Cl2O < ClO2 < ClO2
D.ClO2 < Cl2O < ClO2-
7.The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence: [CBSE AIPMT 2010]
A) BCl3 > BF3 > BBr3
B) BF3 > BCl3 > BBr3
C) BBr3 > BF3 > BCl3
D) BBr3 > BCl> BF3
8.Among the following which is the strongest oxidizing agent? [CBSE AIPMT 2009]
  • A) Br2
  • B) I2
  • C) Cl
  • D) F2
9.The angular shape of ozone molecules (O3) consists of [CBSE AIPMT 2008] 
  • A 2 sigma and 1 pi bonds 
  • B 1 sigma and 2 pi bonds 
  • C 2 sigma and 2 pi bonds 
  • D 1 sigma and 2 pi bonds
10.Which one of the following arrangement does not give the correct picture of the trends indicated against it? [CBSE AIPTM 2008] 
  • A F2 > Cl2 > Br2 > I2 : Electron gain enthalpy 
  • B F2 > Cl2 > Br2 > I2 : Bond dissociation energy 
  • C F2 > Cl2 > Br2 > I2 : Electronegativity 
  • D F2 > Cl2 > Br2 > I2 : Oxidizing power
11.Which one of the following orders correctly represents the increasing acid strengths of the given acids? [CBSE AIPMT 2007] 
  • A HOClO2 < HOClO3 < HOClO < HOCl 
  • B HOClO < HOCl < HOClO3 < HOClO2 
  • C HOClO3 < HOClO2 < HOClO < HOCl 
  • D HOCl < HOClO < HOClO2 < HOClO3
12.Which of the following molecules has trigonal planner geometry [CBSE AIPMT 2005]
  • A NH3
  • B BF3 
  • C PCl3
  • D IF3
13.In PO43 ion, the formal charge on each oxygen atom and P – O bond order respectively are … [ CBSE PMT 1998]
  • a) -0.75, 1.25
  •  b) -3, 1.25
  •  c) -0.75, 1.0
  •  d) -0.75, 0.6

p Block Elements MCQ | JEE MAIN previous year questions

JEE MAIN previous year questions

1.Extra pure N2 can be obtained by heating [IIT-JEE 2011] 
  • A NH3 with CuO
  • B NH4NO3
  • C (NH4)2Cr2O7
  • D Ba(N3)2
2.The reaction of P4 with X leads selectively to P4O6. The X is [IIT-JEE 2009] 
  • A) Dry O2 
  • B) A mixture of O2 and N2 
  • C) Moist O2 
  • D) O2 in the presence of aqueous NaOH
3.Aqueous solution of Na2S2O3 on reaction with Cl2 gives [IIT-JEE 2008]
  • A Na2S4O
  • B NaHSO
  • C NaCl 
  • D NaOH
4.The percentage of p-character in the orbitals forming P – P bonds in P4 is [IIT-JEE 2007]
  • A 25 
  • B 33 
  • C 50 
  • D 75
5.Which blue liquid is obtained on reacting equimolar amounts of two gases at -30°C? [IIT-JEE 2005]
  • A N2O
  • B N2O
  • C N2O4
  • D N2O5
6.Which is the most thermodynamically stable allotropic form of phosphorus? [IIT-JEE 2005]
  • A red
  • B white
  • C black 
  • D yellow
7.Which of the compound has the maximum number of lone pair of electrons on the central atom? [IIT-JEE 2005]
  • A [ClO3]
  • B XeF4
  • C SF4
  • D [I3]
8.Which of the following is not oxidized by O3? [IIT-JEE 2005] 
  • A KI
  • B FeSO4
  • C KMnO4
  • D K2MnO4
9.Which of the following has – O – O – linkage [IIT-JEE 2004]
  •  A H2S2O6
  • B H2S2O8 
  • C H2S2O3
  • D H2S4O6

p Block Elements MCQ | AIEEE previous year questions

Joint Entrance Examination – Main (JEE-Main), formerly All India Engineering Entrance Examination (AIEEE), is an examination organised by the National Testing Agency (NTA) in India.[2] Introduced in the year 2002 and renamed in April 2017, this national level competitive test is for admission to various undergraduate engineering and architecture courses in institutes accepting the JEE-Main score, mainly National Institutes of Technology (NITs), Indian Institutes of Information Technology (IIITs) and Government Funded Technical Institutes (GFTIs).
1.Which of the following statements regarding sulphur is incorrect? [AIEEE 2011] 
  • A The oxidation state of sulphur is never less than +4 in its compounds 
  • B S2 molecule is paramagnetic 
  • C The vapour at 200°C consists mostly of S8 rings 
  • D At 600°C the gas mainly consists of S2 molecules
2.Three reactions involving H2PO4 are given below [AIEEE 2010]
(i) H3PO4 + H2O —à H3O+ + H2PO4
(ii) H2PO4 + H2O —–à HPO42- + H3O+
(iii) H2PO4 + OH —à H3PO4 + O2-
In which of the above does H2PO4 act as an acid?  A.(i) only  B.(ii) only  C.(iii) only D.(i) and (ii) only
3.Which of the following reactions of xenon compounds is not feasible? [AIEEE 2009] 
  • A) XeO3 + 6HF –à XeF6 + 3H2O 
  • B) 3XeF4 + 6H2O —-à 2Xe + XeO3 + 12HF + 1.5O2 
  • C) 2XeF2 + 2H2O —-à 2Xe + 4HF + O2 
  • D) XeF6 + RbF —-à Rb [XeF7]
4.In which of the following arrangements, the sequence is not strictly according to the property written against it? [AIEEE 2009] 
  • A) CO2 < SiO2 < SnO2 < PbO2 : Increasing oxidizing power 
  • B) HF < HCl < HBr < HI : Increasing acid strength 
  • C) NH3 < PH3 < AsH3 < SbH3 : Increasing basic strength 
  • D) B < C < O < N : Increasing first ionization enthalpy
5.Four species are listed below:
 (i) HCO3 (ii) H3O+ (iii) HSO4 (iv) HSO3F
Which one of the following is the correct sequence of their acidic strength? [AIEEE 2008]
  • A iii < I < iv < ii
  • B iv < ii < iii < i
  • C ii < iii < I < iv
  • D i < iii < ii < iv
6.Which one of the following is the correct statement? [AIEEE 2008] 
  • A Boric acid is a protonic acid 
  • B Beryllium exhibits coordination number of six 
  • C Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase 
  • D B2H6.2NH3 is known as ‘inorganic benzene’
7.Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is [AIEEE 2008] 
  • A R4Si 
  • B RSiCl3 
  • C R2SiCl2 
  • D R3SiCl
8.Regular use of which of the following fertilizers increases the acidity of the soil? [AIEEE 2007]
  • A Ammonium sulphate
  • B Superphosphate of lime
  • C Urea
  • D Potassium nitrate
9.Which of the following statements is true? [AIEEE 2006]
  • A H3PO3 is a stronger acid than H2SO3 
  • B In aqueous medium HF is a stronger acid than HCl 
  • C HClO4 is a weaker acid than HClO3 
  • D HNO3 is a stronger acid than HNO2
10.The decreasing values of bond angles from NH(106°) to SbH3 (101°) down group-15 of the periodic table is due to [AIEEE 2006] 
  • A increasing bp-bp repulsion
  • B increasing p-orbital character in sp3
  • C decreasing lp-bp repulsion
  • D decreasing electronegativity
11.What products are expected from the disproportionation reaction of hypochlorous acid? [AIEEE 2006]
  • A HClO3 and Cl2O
  • B HClO2 and HClO4
  • C HCl and Cl2O
  • D HCl and HClO3
12.The number of hydrogen atom(s) attached to phosphorus atom in hypophosphorous acid is [AIEEE 2005]
  • A zero 
  • B two 
  • C one 
  • D three
13.One mole of magnesium nitride on the reaction with an excess of water gives: [AIEEE 2004] 
A) one mole of ammonia
B) one mole of nitric acid
C) two moles of ammonia 
D) two moles of nitric acid
14.Which one of the following is an amphoteric oxide? [AIEEE 2003]
A ZnO 
B Na2O
D B2O3
15.Which one of following substance has highest proton affinity [ AIEEE 2003 ]
 a) H2O
 b) H2S
 c) NH3
 d) PH3
16.In XeF2, XeF4, XeF6 molecules, the number of lone pairs of Xe are respectively [AIEEE 2002]
  • A 2, 3 and 1
  • B 1, 2 and 3
  • C 4, 1 and 2
  • D 3, 2 and 1

JEE Main and AIEEE Chemistry p Block Elements MCQ  Question Bank


p Block Elements MCQs | WBJEE previous year questions


p Block Elements MCQs | various entrance examination

  1. When SO2 gas is passed through an acidified solution of K2Cr2O7 :
     (a) The solution become blue
     (b) The solution become colourless
     (c) SO2 is reduced
     (d) Green Cr2(SO4) is formed
  2. Sulphurous anhydride is:
     (a) SO2
     (b) SO3
     (c) HSO3^–1
     (d) SO3^–2     
  3. Red phosphorus is chemically uncreative because
     (a) It does not contain P – P bonds
     (b) It does not contain tetrahedral P4 molecules
     (c) It does not catch fir e in air even up to 400ºC
     (d) It has a polymeric structure.
  4. Peroxy linkage is present in:
     (a) Caro’s acid
    (b) Pyrosulphuric acid  (c) Sulphurous acid  (d) Di thionic acid   
  5. In the compound of type ECl3, where E = B, P, As, or Bi, the angle Cl – E – Cl of different E are ion the order :
     (a) B > = P = As = Bi
     (b) B > P > As > Bi
     (c) B < P = As = Bi
     (d) B < P < As < Bi
  6. White phosphorus reacts with caustic soda. The products are PH3 and NaH2PO2. This reaction is an example of :
     (a) Oxidation
     (b) Reduction
     (c) Neutralization
     (d) Oxidation and reduction
  7.  PH3 produces smoky rings when it comes in content with air. This is because:
     (a) It is inflammable
     (b) It combines with water vapour
     (c) It combines with nitrogen
     (d) It contains impurity of P2H4
  8. In white phosphorus (P4) molecule which one is not correct ?
     (a) Six P – P single bond are present
     (b) Four P – P single bond are present
     (c) Four lone pair of electron are present
     (d) P – P – P bond angle is 60
  9. Which statement is not correct?
     (a) White and red phosphorus reach with chlorine at room temperature
     (b) White phosphorus is metastable, while red phosphorus is stable.
     (c) White phosphorus is lighter than red phosphorus
     (d) White phosphorus is highly poisonous while red phosphorus is not.
  10. In which reaction does SO2 act as oxidizing agent:
     (a) Acidified KMnO4
     (b) Acidified K2Cr2O7
     (c) Acidified C2H5OH
     (d) H2S
  11. The bonds present in N2O5 are:
     (a) Only ionic
     (b) Only covalentc
     (c) Co-valent and co-ordinate
     (d) Covalent and ionic
  12. Skin tunes yellow in contact with concentrated HNO3 because:
     (a) Proteins are converted into xantho proteins
     (b) Decomposes into two oxides of nitrogen
     (c) Reacts with water to form nitric acid
     (d) Reacts with water to form two acid
  13. Fertilizer having the highest nitrogen percentage is:
     (a) Calcium cynamide
     (b) Urea
     (c) Ammonium nitrite
     (d) Zammonium sulphate
  14. All the elements of the oxygen families are
     (a) Non-metals
     (b) Metalloids
     (c) Radioactive
     (d) Polymorphic
  15. Which statement is false for ozone?
     (a) It is obtained by silent electric discharge on oxygen
     (b) It is a endothermic compound
     (c) It can be obtained by the action of ultraviolet rays on oxygen
     (d) It cannot be regarded as an allotrope of oxygen
  16. Oxygen gas can be prepared from solid KMnO4 by:
     (a) Dissolving the solid in dil. HCl
     (b) Dissolving the solid in conc. H2SO4
     (c) Treating the solid with H2 gases
     (d) Strongly heating the solid.
  17. Starch paper moistened with KI solution turns blue in ozon because of:
     (a) Iodine liberation
     (b) Oxygen liberation
     (c) Alkali formation
     (d) Ozone reacts with litmus paper
  18. Ozone molecule is:
     (a) Linear
     (b) Triangular
     (c) Tetrahedral
     (d) None of these
  19. Formula for tear gas is :
     a) COCl2
     b) CCl3NO2
     c) N2O
     d) none of these
  20. Pure silicon doped with phosphorus is a:
     a) metallic conductor
     b) insulator
     c) n-type semiconductor
     d) p-type semiconductor
  21. A brown ring appears in the test for [2007]
     a) nitrate
     b) nitrite
     c) bromide
     d) iron
  22. Which one of the following is the strongest acid? (a) SO (OH)2 (b) SO2(OH)2 (c) ClO2(OH) (d) ClO3(OH)
  23. Fluorine react with water to give :
     (a) Hydrogen fluoride and oxygen
     (b) Hydrogen fluoride and ozone
     (c) Hydrogen fluoride and oxygen fluoride
     (d) Hydrogen fluoride, oxygen and ozone

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01 Solid State,4,01 Some Basic Concepts of Chemistry,4,02 Solutions,1,02 Structure of Atom,2,03 Electrochemistry,1,03 Periodicity of Elements,1,04 Chemical Bonding,7,04 Chemical Kinetics,1,05 Gaseous State of Matter,1,05 Surface Chemistry,2,06 Chemical Thermodynamics,3,07 Equilibrium,7,07 p Block Elements,7,08 d and f Block Elements,1,08 Redox Reaction,1,09 Coordination Compounds,1,09 Hydrogen Chemistry,1,10 Haloalkanes and Haloarenes,1,10 s block Elements,1,11 Alcohols Phenols and Ethers,2,11 Some p block Elements,2,12 Aldehyde Ketones and Carboxylic Acids,4,12 Basic Organic Chemistry,1,13 Hydrocarbons Chemistry,1,13 Nitrogen Containing,3,14 Biomolecules,3,14 Environmental Chemistry,2,15 Polymer chemistry,1,16 Chemistry in Everyday life,2,20,6,2O,1,Acids Bases and Salts,1,Alcohols,1,Alcohols Phenols and Ethers Question Bank,2,Atomic Structure Question Bank,1,Basic Principles of Organic Chemistry Question Bank,1,Biomolecules Question Bank,1,Carbonyl Compounds Question Bank,2,CBSE 11,1,CBSE 12,2,CBSE Class 10 Chemistry,2,Chemical Equilibrium Question Bank,2,Chemical Kinetics Question Bank,1,Chemical Thermodynamics Question Bank,3,Chemical Weapons,1,Chemistry Book,1,Chemistry News,1,Chemistry Song,2,Chemistry Syllabus,2,Class 11,1,Class 11 Chemistry,1,Class 8 Science,1,Condensation reaction,1,COVID-19,4,Download NEET Question Papers,2,Electrochemistry,1,Electrochemistry MCQs,1,Electrochemistry MCQs with Answers,1,Exclusive Chemistry,1,Food,1,General Chemistry,5,How do I study for chemistry,2,Hydrocarbons Question Bank,1,JEE Main,2,JEE Main Chemistry,2,JEE Main Chemistry Syllabus,1,JEE Main Chemistry Syllabus 2021,1,JEE Main Hydrocarbons Previous Year Questions with Solutions,1,JEE Main Question Paper,2,Lewis dot structures,5,MCQ Practice sheet,7,MCQs with Solution,1,Name Reaction,7,NCERT CBSE Syllabus,1,NCERT Syllabus,1,NEET,8,neet sample paper by nta,1,NEET | AIPMT | JEE Main MCQs,2,NEET 2020 Question Papers,1,NEET Chemistry Syllabus,1,NEET Hydrocarbons Previous Year Questions with Solutions,1,NEET Previous Year Question Paper,4,NEET Previous Year Question Papers,1,NEET Previous Year Solved Question Papers,3,NEET Question Paper,1,NEET Question Papers 2020,1,NEET Sample Papers,1,NEET Solved Question Papers,4,Nitrogen Containing Compound Question Bank,1,Organic Name Reactions,6,Oxidation Reduction,2,p Block Elements Question Bank,4,Phenols and Ethers MCQs,1,Phenols and Ethers MCQs (NEET; JEE Main),1,Practice Paper of NEET,1,Question Papers of NEET 2020,1,Radioactivity,1,s Block Elements,1,s Block Elements MCQs,1,s Block Elements Question Bank,1,Science News,1,Solid State Chemistry Question Bank,3,SOME,1,Study Tips for Chemistry,2,Surface Chemistry Question Bank,2,WBCHSE,1,WBCHSE Model Question,1,WBJEE,1,
Advanced Chemistry: p Block Elements MCQ for Entrance Exam
p Block Elements MCQ for Entrance Exam
This course will help students in preparing MCQ’s for competitive exams like NEET , JEE Main, WBJEE and other competitive exams through various mock tests.
Advanced Chemistry
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