Assertion (A) : ${CO}_{2}$ is non polar and ${SO}_{2}$ and $H_{2} O$ are polar.
Reason (R) : ${CO}_{2}$ has linear structure while ${SO}_{2}$ and $H_{2} O$ have “V – shaped” structure.

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Both A and R are correct and R is not the correct explanation of A.

A is correct, R is incorrect.

A is incorrect, R is correct.

Both A and R are correct and R is the correct explanation of A.

answer is A.

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Detailed Solution

The structure of ${CO}_{2}$ molecule is shown below.

Question Image

The geometry of ${CO}_{2}$ is a linear so that it is a non polar molecule.

Therefore, ${CO}_{2}$ has zero dipole moment.

The structure of $H_{2} O$ molecule is shown below.

Question Image

Water is a polar molecule so that it has dipole moment.

The structure of ( ${SO}_{2}$ ) molecule is shown below.

Question Image

Sulphur dioxide ( ${SO}_{2}$ ) is a polar molecule and therefore it has dipole moment.

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