JEE Main 20248 AprilEvening Shift
- Exam
- JEE Main
- Year
- 2024
- Date
- 8 April
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- p Block Elements (Group 15, 16, 17 & 18)
JEE Main 2024 · 8 April · Evening Shift · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Identify the incorrect statements about group 15 elements : (A)...
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 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 :
Options
- A(A), (C), (E) only
- B(B), (D), (E) only
- C(D) and (E) only
- D(A), (B), (D) only
Correct answer
C. (D) and (E) only
Step-by-step solution
(D) Due to inert pair effect lower oxidation state is more stable.
(E) Nitrogen belongs to period and cannot expand its octet.