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Electronegativity of carbon atoms depend...

Electronegativity of carbon atoms depends upon their state of hybridisation. In which of the following compounds, the carbon marked with asterisk is most electronegative ?

A

`CH_3 - CH_2 -^(**) CH_2 - CH_3`

B

`CH_3 -^(**) CH= CH - CH_3`

C

`CH_3- CH_2 - C -=^(**) CH`

D

`CH_3 - CH_2 - CH =^(**) CH_2`

Text Solution

Verified by Experts

The correct Answer is:
C
Electronegativity increases as the state of hybridisation changes from `sp^3` to `sp^2` to `sp`.
Therefore, `sp`-carbon, `CH_3 CH_2 C -= CH` is the most electronegative.
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