Lewis Diagrams

AP Chemistry· difficulty 2/5

Carbon dioxide is a linear molecule formed by two C=O double bonds. The Lewis structure shows lone pairs on each oxygen.

The Lewis structure of CO2 contains how many sigma and pi bonds total?

A
$2 sigma and 1 pi$
B
$2 sigma and 2 pi$
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C
$1 sigma and 3 pi$
D
$4 sigma and 0 pi$

Explanation

CO2 has two C=O double bonds. Each double bond is 1 sigma + 1 pi, giving 2 sigma + 2 pi.

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