Given below are statements about some molecules/ions. Identify the CORRECT statements. A. The dipole moment value of NF3 is higher than that of NH3. B. The dipole moment value of BeH2 is zero. C. The

Question

Given below are statements about some molecules/ions. Identify the CORRECT statements. A. The dipole moment value of NF3 is higher than that of NH3. B. The dipole moment value of BeH2 is zero. C. The bond order of 2 O and F2 is same. D. The formal charge on the central oxygen atom of ozone is –1. E. In NO2, all the three atoms satisfy the octet rule, hence it is very stable. Choose the correct answer from the options given below :

(A) A, B, C, D & E
(B) B & C only
(C) B, C & D only
(D) A, C & D only

Prashant Kotian · Accepted Answer

Correct answer: B. (A) Dipole moment : NF3 < NH3 (B) BeH2 is ‘sp’ hybridized, linear molecule with zero dipole moment. (C) O2 –2  bond order = 1 F2  bond order = 1 (D) Formal charge on central oxygen atom in O3 is +1. (E) In NO2; nitrogen does not follow octet rule.

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