31. The shape of the molecule XeO2F2 is A. distorted tetrahedral B. square planar C. trigonal bipyramidal D. tetrahedral Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
32. The number of manganese ions in tetrahedral and octahedral sites, respectively in Mn3O4 are A. one Mn2+ and two Mn3+ B. one Mn3+ and two Mn2+ C. two Mn3+ and one Mn2+ D. two Mn2+ and one Mn3+ Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
33. NaCI is crystallized by slow evaporation of its aqueous solution at room temperature. The correct statement is A. the crystals will be non-stoichiometric B. the crystals should have Frenkel defects C. the percentage of defects in the crystals will depend on the concentration of the solution and its rate of evaporation D. the nature of defects will depend upon the concentration of the solution and its rate of evaporation Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
34. Among the following molecules, the shortest bond length is to be found in A. C2 B. N2 C. O2 D. F2 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
35. The ground state term for V3+ ion is A. 3F B. 2F C. 3P D. 2D Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
36. The coordination number of the Ba2+ ions in barium fluoride is 8. The coordination number of the fluoride ion is A. 8 B. 4 C. 1 D. 2 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
37. The compound (SiH3)3N is expected to be A. pyramidal and more basic than (CH3)3N B. planar and less basic than (CH3)3N C. pyramidal and less basic than (CH3)3N D. planar and more basic than (CH3)3N Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
38. The atomic radius (in cm) of an element with a body centred cubic unit cell of volume 75.8 cm3 mol-1, molecular weight 137.3 and density 3.62 g cm-3 is A. 1.5 × 10-8 B. 1.6 × 10-8 C. 2.0 × 10-8 D. 2.2 × 10-8 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
39. Among the compounds Fe3O4, NiFe2O4 and Mn3O4 A. NiFe2O4 and Mn3O4 are normal spinels B. Fe3O4 and Mn3O4 are normal spinels C. Fe3O4 and Mn3O4 are inverse spinels D. Fe3O4 and NiFe2O4 are inverse spinels Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
40. The structures of O3 and $${\text{N}}_3^ - $$ are A. linear and bent respectively B. both linear C. both bent D. bent and linear respectively Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
