15. The correct statement about BH6 is: (a) All B H B angles are of 120. (b) The two B-H-B bonds are not of same length. (c) Its fragment, BH3, Behaves as a Lewis base. (d) Terminal B - H bonds have less p-character when compared to bridging bonds. 16. According to molecular orbital theory, the species among the following that does not exist is: (a) He (b) He 17. Given below are two statements: 18. (c) Be (d) O Statement I: CeO2 can be used for oxidation of aldehydes and ketones. Statement II: Aqueous solution of EuSO4 is a strong reducing agent. In the light of the above statements, choose the correct answer from the options given below: (a) Statement I is true but Statement II is false (b) Both Statement I and Statement II are true (c) Statement I is false but Statement II is true false (d) Both Statement I and Statement II are Which of the following equation depicts the oxidizing nature of H2O2? (a) 21 +HO+2H+ +2HO (c) KIO+HO KIO3 + HO+O (b) Cl+HO22HCI+02 (d) +HO+20H 2+2H20+0 19. In Freundlich adsorption isotherm at moderate pressure, the extent of adsorption is m 20. directly proportional to P*. The value of x is: (a) zero 1 (b) (c) 1 (d) In which of the following pairs, the outer most electronic configuration will be the same? (a) Crand Mn2+ (b) Ni+ and Cu+ (c) Fe+ and Co+ (d) V+ and Cr+