Given below are statements about some molecules/ions. Identify the CORRECT statements. A. The dipole moment value of \(\mathrm{NF}_{3}\) is higher than that of \(\mathrm{NH}_{3}\). B. The dipole moment value of \(\mathrm{BeH}_{2}\) is zero. C. The bond order of \(\mathrm{O}_{2}^{2-}\) and \(\mathrm{F}_{2}\) is same. D. The formal charge on the central oxygen atom of ozone is -1 . E. In \(\mathrm{NO}_{2}\), all the three atoms satisfy the octet rule, hence it is very stable. Choose the correct answer from the options given below :

JEE Main · 2026 · 24 Jan 2026 · Shift 1 · Chemical Bonding and Molecular Structure

Given below are statements about some molecules/ions.

Identify the CORRECT statements.
A. The dipole moment value of

NF_{3}

is higher than that of

NH_{3}

.
B. The dipole moment value of

BeH_{2}

is zero.
C. The bond order of

O_{2}^{2 -}

and

F_{2}

is same.
D. The formal charge on the central oxygen atom of ozone is -1 .
E. In

NO_{2}

, all the three atoms satisfy the octet rule, hence it is very stable.
Choose the correct answer from the options given below :

Answer: (B)

N F_{3}

has a smaller dipole moment than

N H_{3}

, because its

N - F

bond dipoles point away from nitrogen and partly oppose the lone-pair moment, so A is false.

Be H_{2}

is linear and its two equal bond dipoles cancel, giving zero dipole moment, so B is true.

O_{2}^{2 -}

has bond order one and

F_{2}

also has bond order one, so C is true. The central oxygen of ozone carries a formal charge of

+ 1

, not

- 1

, so D is false.

N O_{2}

has an odd electron on nitrogen, which does not complete its octet, so E is false. Only B and C are correct.

JEE Main · 2026 · 24 Jan 2026 · Shift 1 · Single correct option