Question

- The number of bond pairs is equal in the following compounds except …………
(a) PCl3 
(b) NH3
(C) AsCl3
(d)  CHCl3​

Answer 1

Answer:

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⟶ Dipole moment:- The polarity of covalent bond can be conveniently measured in terms of physical quantity called dipole moment.

(i) (Refer to Image 1)

(ii) (Refer to Image 2)

(iii) (Refer to Image 3)

(iv) (Refer to Image 4)

⟶ Above molecules have dipole moment zero. Because dipoles of the bond cancel each other.

solution

Answer 2

Explanation:

The number of bond pairs is equal in the following compounds except CHC13