Find here the NCERT Book Multiple Choice Questions from Class 12 Chemistry book with Answers Pdf free download as per CBSE new exam pattern. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 12 Chemistry. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.
Q.1 Boron shows diagonal relation with
(a) Al
(b) C
(c) Si
(d) Sn
(c) Si
Q.2 Catenation property is maximum in
(a) phosphorus
(b) carbon
(c) sulphur
(d) zinc
(b) carbon
Q.3 Element found from sea water is
(a) magnesium
(b) Sodium
(c) Iodine
(d) None of these
(c) Iodine
Q.4 The shape of XeF4 is
(a) tetrahedral
(b) square planar
(c) pyramidal
(d) linear
(b) square planar
Q.5 Which one of the following is the strongest lewis acid?
(a) BF3
(b) BCl3
(c) BBr3
(d) Bl3
(b) BCl3
Q.6 Which one of the following does not form hydrogen bonding?
(a) NH3
(b) H2O
(c) HCl
(d) HF
(c) HCl
Q.7 Main source of helium is
(a) Air
(b) Radium
(c) Monazite
(d) Water
(c) Monazite
Q.8 Which one of the following dement is liquid at normal temperature?
(a) zinc
(b) mercury
(c) bromine
(d) water
(b) mercury
Q.9 Which one of the following is least
(a) NCl3
(b) NBr3
(c) NI3
(d) NF3
(c) NI3
Q.10 Which of the following compounds contains S=O and S=S bonds?
(a) Sulphuric acid
(b) Thiosulphuric acid
(c) Sulphurous acid
(d) Thiosulphurous acid
(b) Thiosulphuric acid
Q.11 Which of the following halogen shows only negative oxidation state?
(a) Chlorine
(b) Bromine
(c) Fluorine
(d) Iodine
(c) Fluorine
Q.12 Which of the following is the strongest acid?
(a) H2O
(b) H2S
(c) H2Se
(d) H2Te
(d) H2Te
Q.13 The oxoacid of halogen having maximum acidic character is
(a) HCl4
(b) HClO3
(c) HClO2
(d) HClO
(a) HCl4
Q.14 Which of the following oxide of nitrogen is called laughing gas?
(a) NO2
(b) N2O
(c) N2O3
(d) N2O5
(b) N2O
Q.15 Among the following, which is the strongest oxidising agent?
(a) Br2
(b) l2
(c) Cl2
(d) F2
(d) F2
Q.16 The basicity of H2PO2 is
(a) 1
(b) 2
(c) 3
(d) 4
(a) 1
Q.17 The basicity of phosphorous acid H3PO3 is
(a) Two
(b) Three
(c) One
(d) Zero
(a) Two
Q.18 H2S is more acidic than H2O because
(a) oxygen is more electronegative than sulphur.
(b) atomic number of sulphur is higher than oxygen.
(c) H — S bond dissociation energy is less as compared to H — O bond.
(d) H — O bond dissociation energy is less also compared to H — S bond.
(b) atomic number of sulphur is higher than oxygen.
Q.19 The boiling points of hydrides of group 16 are in the order
(a) H2O > H2Te > H2S > H2Se
(b) H2O > H2S > H2Se > H2Te
(c) H2O > H2Te > H2Se > H2S
(d) None of these
(b) H2O > H2S > H2Se > H2Te
Q.20 In the manufacture of sulphuric acid by contact process
Tyndall box is used to
(a) convert SO2 and SO3
(b) test the presence of dust particles
(c) filter dust particles
(d) remove impurities
(b) test the presence of dust particles
Q.21 Fluorine differs from rest of the halogens in some of its properties. This is due to
(a) its smaller size and high electronegativity.
(b) lack of d-orbitals.
(c) low bond dissociation energy.
(d) All of the these.
(b) lack of d-orbitals.
Chemistry MCQ Questions for Class 12 with Answers
- Chapter 1: The Solid State Class 12 MCQ Questions
- Chapter 2: Solutions Class 12 MCQ Questions
- Chapter 3: Electrochemistry Class 12 MCQ Questions
- Chapter 4: Chemical Kinetics Class 12 MCQ Questions
- Chapter 5: Surface Chemistry Class 12 MCQ Questions
- Chapter 6: General Principles and Processes of Isolation of Elements Class 12 MCQ Questions
- Chapter 7: The p-Block Elements Class 12 MCQ Questions
- Chapter 8: The d-and f-Block Elements Class 12 MCQ Questions
- Chapter 9: Coordination Compounds Class 12 MCQ Questions
- Chapter 10: Haloalkanes and Haloarenes Class 12 MCQ Questions
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