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The correct order of dipole moment is:
A
CH₄ < NF₃ < NH₃ < H₂O
B
NF₃ < CH₄ < NH₃ < H₂O
C
NH₃ < NF₃ < CH₄ < H₂O
D
H₂O < NH₃ < NF₃ < CH₄
Explanation
CH₄ has zero dipole moment, NF₃ has a small dipole moment, NH₃ has a larger dipole moment, and H₂O has the highest among these.
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