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Question: Arrange the following compounds in increasing order of their dipole moment : HBr, H₂ S, NF₃ and CHCl...

Arrange the following compounds in increasing order of their dipole moment : HBr, H₂ S, NF₃ and CHCl₃

A

H₂S < HBr < NF₃ < CHCl₃

B

NF₃ < HBr < H₂ S < CHCl₃

C

HBr < H₂ S < NF₃ < CHCl₃

D

CHCl₃ < NF₃ < HBr < H₂ S

Answer

NF₃ < HBr < H₂ S < CHCl₃

Explanation

Solution

The dipole moments are approximately: NF₃ (0.23\approx 0.23 D), HBr (0.79\approx 0.79 D), H₂S (0.97\approx 0.97 D), and CHCl₃ (1.04\approx 1.04 D). Thus, the increasing order is NF₃ < HBr < H₂S < CHCl₃.