1.

Both `CO_2` and `H_2O` contain polar covalent bonds but `CO_2` is nonpolar while `H_2O` is polar becauseA. H atom is smaller than C atomB. `CO_2` is a linear molecule while `H_2O` is an angular moleculeC. `O-H` bond is more polar than `C-O` bondD. `CO_2` contains multiple bonds while `H_2O` has only single bonds

Answer» Correct Answer - B
In `CO_2`, the polar bonds are arranged in such a way (due to linear shape) that the bond polarities cancel each other while in `H_2O` molecule, the `H-O` bond polarities do not cancel one another (due to angular shape).


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