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At room temperature, CO(2) is a gas whil...

At room temperature, `CO_(2)` is a gas while `SiO_(2)` is a solid because

A

`CO_(2)` is nonpolar but `SiO_(2)` is polar

B

`SiO_(2)` has higher molecular mass than `CO_(2)`

C

`CO_(2)` has covalent bonds but `SiO_(2)` has ionic bonds between the `Si` and `O` atoms

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
D
`CO_(2)` exists as a discrete molecule due to the formation of double bonds between the `C` and `O` atoms by `p_(pi) - p_(pi)` multiple bonding while silicon, unable to form such bonds with oxygen, has an infinite three - dimensional structure.
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