The carbon dioxide molecule contains how many double bonds?

Answer 1

#"Two...?"#

We got carbon dioxide, with #2xx6_"oxygen"+1xx4_"carbon"# valence electrons to distribute...i.e. 8 electron pairs over the three centres...

#:ddotO=C=stackrel(ddot)O:#

Formally, the carbon centre is #"sp-hybridized"#, whereas each oxygen centre is #"sp"^2"-hybridized"#, and thus #/_O-C-O=180^@#.

And clearly, the two #C-O# #pi-"bonds"# ARE ORTHOGONAL to each other.

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Answer 2

Jose Ayala

The carbon dioxide molecule contains two double bonds.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.