Among H2S, H2O, NF3, NH3 and CHCl3, identify the molecule (X) with lowest dipole moment value. The number of lone pairs of electrons present on the central atom of the molecule (X) is : (A) 2 (B) 0 (C

Question

Among H2S, H2O, NF3, NH3 and CHCl3, identify the molecule (X) with lowest dipole moment value. The number of lone pairs of electrons present on the central atom of the molecule (X) is :

(A) 2
(B) 0
(C) 1
(D) 3

Prashant Kotian · Accepted Answer

Correct answer: C. Molecule Dipole moment H2S 0.95 H2O 1.85 NF3 0.23 (minimum) NH3 1.47 CHCl3 1.04 N F F F Number of lone pair on central atom = 1

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