How many pi and sigma bonds in carbon dioxide?

Answer 1

Graphite has sheet structure with each carbon atom sourrounded by 3 other equidistant carbon atoms with a bond angle of 120 0

The carbon atoms are bonded together by sigma bonds, each carbon having 3. In addition there is a pi bond, fully delocalised above and below the plane of the sheet. You could consider that there is one pi bond per carbon to make up the octet and that in valence bond theory terms there is resonance which gives rise to a fully delocalised electrons which give rise to electrical conductivity and the black colour.

Answer 2

O=C=O

two sigma bonds and two pi bonds

Answer 3

There are 3 sigma bonds in carbon dioxide – one between each carbon-oxygen pair, and one between each oxygen atom and the carbon. There are also 2 pi bonds, one on each side of the carbon atom.

Answer 4

2 Sigma Bonds

1 pi bond