In terms of polar character, which of the following order is correct ?

Options

A. `NH_(3) lt H_(2)O lt HF lt H_(2)S`
B. `H_(2)S lt NH_(3) lt H_(2)O lt HF`
C. `H_(2)O lt NH_(3) lt H_(2)S lt HF`
D. `HF lt H_(2)O lt NH_(3) lt H_(2)S`

Answer

B

Explanation

Polar character: It depends on the electronegativity difference between the two atoms `S lt N lt O lt F` (Increasing electronegativity)