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Pls explain why Carbondioxide is a gas while silicon dioxide is a solid?

Asked by Sahar 25th January 2016, 6:36 PM
Answered by Expert

Carbon dioxide gas has p pi - p pi bonding while silicon dioxide has pi - d pi bonding.

Carbon dioxide has weak van der Waal's forces of attraction due to which it exist as gas at RT.

Silicon dioxide has bigger 3 D network so exist as solid at RT.

Answered by Expert 25th January 2016, 6:49 PM
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