Q.

Consider the following statements:

(A) NF3 molecule has a trigonal planar structure.

(B) Bond length of N2 is shorter than O2.

(C) Isoelectronic molecules or ions have identical bond order.

(D) Dipole moment of H2S is higher than that of water molecule.

Choose the correct answer from the options given below:                       [2023]

1 (A) and (B) are correct  
2 (B) and (C) are correct  
3 (C) and (D) are correct  
4 (A) and (D) are correct  

Ans.

(2)

(A) NF3 has triangular pyramidal structure

(B) Molecule:N2O2B.O.32B.L.N2<O2   
        
(C) Isoelectronic molecules or ions have identical bond order.

(D) Dipole moment H2S<H2O due to less electronegativity difference between H and S as compared to H and O.