why bond length of double bond is less than that of triple bond ? I came across this question many a times. I am confused because there is a sigma bond and two phi bond in triple bond and a sigma and phi bond in double bond. Hence bond length of both of them should be same. But it is not so. Ex :- Carbon Carbon triple bond length is shorter than C=C
closed as unclear what you're asking by paracetamol, M.A.R., Jon Custer, DSVA, Todd Minehardt Jul 22 '17 at 22:03
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%s character of sp hybridised orbital is 50% and of sp2 it's 33%. More S-character means that the shared electron pair is closer to the carbon nucleus making it stronger and shorter.