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How many sigma and pi bonds are present ...

How many sigma and pi bonds are present in each of the following molecules ?
(a) `CH_2 = C = CH_2`
(b) `CH_2 = CH - CH_2 - C -= CH`
(c ) `CH_3 C -= N`

Text Solution

Verified by Experts

(a) `CH_2=C = CH_2`
`" "sigma_(C- C) = 2", " sigma_(C - H) =4, "Total " sigma " bonds"=6`
`" "pi_(C = C)=2, "Total " pi " bonds"=2`
(b) `CH_2 = CH-CH_2-C -= C H`
`" "sigma_( C - C) = 4", " sigma_(C - H) =6, "Total " sigma " bonds"=10`
`" "pi_(C = C)=3, "Total " pi " bonds"=3`
(c) `CH_3 C -= N`
`" "sigma_( C- C) =1", " sigma_( C - H) =3, sigma_( C - N) =1, "Total " sigma " bonds"=5),`
`" "pi_( C = N) =2, "Total " pi " bonds"=2`
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