Molecules having charged groups of opposite polarity are

Moleules that bar charged groups of opposite polarity are known are

Molecule having non-polar as well as polar bonds but the molecule as a whole is polar

Read the following statements (a) Non polar molecules have uniform charge distribution (b) Polar molecules have non-uniform charge distribution ( c) Polar molecules are already polarized (d) Molecules are not already polarized without electric field in Non-polar molecules.

Molecule having non-pola as well as polar bonds but the molecule as a whole is polar:

Which of the following molecule contains a bond having highest polarity ?