Q43. Identify the incorrect statements about group 15 elements : (A) Dinitrogen is a diatomic gas which acts like an inert gas at room temperature. (B) The common oxidation states of these elements are $- 3 , + 3$ and + 5 . (C) Nitrogen has unique ability to form $\mathrm { p } \pi - \mathrm { p } \pi$ multiple bonds. (D) The stability of + 5 oxidation states increases down the group. (E) Nitrogen shows a maximum covalency of 6 . Choose the correct answer from the options given below : (1) (A), (C), (E) only (2) (B), (D), (E) only (3) (D) and (E) only (4) (A), (B), (D) only
Q43. Identify the incorrect statements about group 15 elements : (A) Dinitrogen is a diatomic gas which acts like an inert gas at room temperature. (B) The common oxidation states of these elements are $- 3 , + 3$ and + 5 . (C) Nitrogen has unique ability to form $\mathrm { p } \pi - \mathrm { p } \pi$ multiple bonds. (D) The stability of + 5 oxidation states increases down the group. (E) Nitrogen shows a maximum covalency of 6 . Choose the correct answer from the options given below :\\
(1) (A), (C), (E) only\\
(2) (B), (D), (E) only\\
(3) (D) and (E) only\\
(4) (A), (B), (D) only