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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 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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