The Solid State MCQ Questions for Class 12 Chemistry Chapter 1 with Answers

NCERTCOURSE.COM- Find here the NCERT chapter-wise Multiple Choice Questions from Class 12 Chemistry book Chapter 1 The Solid State with Answers Pdf free download. 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 The Solid State. 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.

MCQ Questions for Class 12 Chemistry With Answers

Q1. How many space lattices are possible in a crystal?

(i) 23
(ii) 7
(iii) 230
(iv) 14

(iv) 14

Q2. The molal elevation constant depends upon

(i) nature of solute.
(ii) nature of the solvent
(iii) vapour pressure of the solution.
(iv) enthalpy change.

(ii) nature of the solvent

Q3. The coordination number in hcp is

(i) 6
(ii) 12
(iii) 18
(iv) 24

(ii) 12

Q4. A crystal system with axes a ≠ b ≠ c and angles α ≠ ß ≠ γ ≠ 90° corresponds to

(i) monoclinic
(ii) triclinic
(iii) cubic
(iv) tetragonal

(ii) triclinic

Q5. For tetrahedral coordination, the radius ration (r+/r ) should be

(i) 0.155-0.225
(ii) 0.225-0.414
(iii) 0.414-0.732
(iv) 0.732-1

(ii) 0.225-0.414

Q6. The van’t Hoff factor (i) accounts for

(i) degree of solubilisation of solute.
(ii) the extent of dissociation of solute.
(iii) the extent of dissolution of solute.
(iv) the degree of decomposition of solution.

(ii) the extent of dissociation of solute

Q7. What is the coordination number of sodium in Na2O?

(i) 6
(ii) 4
(iii) 8
(iv) 2

(ii) 4

Q8. The empty space within hep arrangement is

(i) 34%
(ii) 47.6%
(iii) 32%
(iv) 26%

(iv) 26%

Q9. Which of the following is not an example of 13-15 compounds,

(i) InSb
(ii) GaAs
(iii) CdSe
(iv) Alp

(iii) CdSe

Q10. Osmotic pressure of a solution is 0.0821 atm at a temperature of 300 K. The concentration in moles/litre will be

(i) 0.33
(ii) 0.666
(iii) 0.3 × 10-2
(iv) 3

(iii) 0.3 × 10-2

Q11. The compound, found in nature in gas phase but ionic in solid state is

(i) PCl5
(ii) CCl4
(iii) PCl3
(iv) POCl3

(i) PCl5

Q12. Some polar crystals when heated produce small electrical current. The phenomenon is called

(i) Ferroelectricity
(ii) Anti-ferroelectricity
(iii) Pyroelectricity
(iv) Piezoelectricity.

(iii) Pyroelectricity

Q13. Fe3O4 is ferrimagnetic at room temperature but at 850 K it becomes

(i) Diamagnetic
(ii) Ferromagnetic
(iii) Non-magnetic
(iv) Paramagnetic

(iv) Paramagnetic

Q14. Which has the lowest boiling point at 1 atm pressure?

(i) 0.1 M KCl
(ii) 0.1 M Urea
(iii) 0.1 M CaCl2
(iv) 0.1 M A1Cl3

(ii) 0.1 M Urea

Q15. An AB2 type structure is found in

(i) NaCl
(ii) CaF2
(iii) Al2O3
(iv) N2O

(ii) CaF2

Q16. An example of body centered cube is

(i) Sodium
(ii) Magnesium
(iii) Zinc
(iv) Copper

(i) Sodium

Q17. Which of the following condition is not satisfied by an ideal solution?

(i) ΔHmixing = 0
(ii) ΔVmixing = 0
(iii) Raoult’s Law is obeyed
(iv) Formation of an azeotropic mixture

(iv) Formation of an azeotropic mixture

Q18. Which one of the following statements about packing in solids is incorrect ?

(i) Coordination number in bcc mode of packing is 8.
(ii) Coordination number in hcp mode of packing is 12.
(iii) Void space in hcp mode of packing is 32%.
(iv) Void space is ccp mode of packing is 26%.

(iii) Void space in hcp mode of packing is 32%.

Q19. Which of the following transition metal oxides is not an insulator?

(i) MnO
(ii) NiO
(iii) VO
(iv) Mn2O3

(iii) VO

Q20. Mole fraction of glycerine C3H5(OH)3 in solution containing 36 g of water and 46 g of glycerine is

(i) 0.46
(ii) 0.40
(iii) 0.20
(iv) 0.36

(iii) 0.20

Q21. An element (atomic mass = 100 g / mol) having bcc structure has unit cell edge 400 pm. Then, density of the element is

(i) 10.376 g/cm3
(ii) 5.188 g/cm3
(iii) 7.289 g/cm3
(iv)2.144 g/cm3

(iii) 7.289 g/cm3

Q22. To get p-type semiconductor, impurity to be added to silicon should have which of the following number of valence electrons?

(i) 2
(ii) 3
(iii) 1
(iv) 5

(ii) 3

Q23. Which of the following transition metal oxides is paramagnetic?

(i) TiO
(ii) VO
(iii) Cu2O
(iv) Mn2O3

(ii) VO

Q24. Gold has a face centred cubic lattice with an edge length of the unit cube of 407 pm. Assuming the closest packing, the diameter of the gold atom is

(i) 576.6 pm
(ii) 287.8 pm
(iii) 352.5 pm
(iv) 704.9 pm

(ii) 287.8 pm

Q25. Amorphous solid is

(i) rubber
(ii) plastic
(iii) glass
(iv) all

(iv) all

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MCQ Questions for Class 12 Chemistry with Answers

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