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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
Electrongativity of carbon atom depends on their state of hybridisation. More s-character more the electronegativity.
`{:(sp^(3),lt,sp^(2),lt,sp,),(25% s,,33% s,,50% s,):}`
Thus, sp-carbon has the highest electronegativity, i.e., option (c) `(CH_(3) - CH_(2) - C -= .^(**)CH)` is correct
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