The most polar compound among the following is `:`

Options

A.
B.
C.
D.

Answer

C

Explanation

Among the substituents attached to the given compounds , fluorine has maximum electronegativity So it will push electron pair towards itself . In option (b) , the two F group are attached opposite to each other thus net dipole moment will cancel each other and reduce its polarity . In option (d) , the F groups are attached in slightly opposite direction thus this also decreases its polarity . But in option (c ) , the compound has the two F groups along same direction . Thus net dipole moment will increase in this direction thus it will have maximum polarity . Thus the compoun in option (c ) has maximum polarity