Which is the correct order of bond energy of single, double and triple bonds between carbon atoms?

C - C > C = C > C \equiv C

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C = C > C \equiv C > C - C

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C \equiv C > C - C > C = C

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C \equiv C > C = C > C - C

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Solution

The correct option is D $C \equiv C > C = C > C - C$
Carbon has all 4 valence electrons. So it easily bonds with other carbon atoms to form long chains Carbon atoms. Apart from single bond carbon also forms double bonds in compounds like alkenes or triple bonds in compounds like alkynes.
A carbon-carbon bond is very strong. The carbon to carbon triple bond has dissociation energy of $348 \frac{k J}{m o l}$ , followed by a double bond with $614 \frac{k J}{m o l}$ and single bond having $839 \frac{k J}{m o l}$ .
The correct order of bond energy strength is option D.

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