Which of the following is a polar compound ?

Options

A. HF
B. HCl
C. `HNO_(3)`
D. `H_(2)SO_(4)`

Answer

A

Explanation

We know that greater the difference in electronegativity of two atoms forming a covelent bond. More Is its polar nature. In HF there is a much difference in the electronegatives of hydrogen and fluorine. Therefore (HF) is a polar compound.