1.

Electronegativity of carbon atoms depends upon their state of hybrisation. In which of the following compounds, the carbon marked with asterisk is most electronagative ?A. `CH_(3)-CH_(2)-^(**)CH_(2)-CH_(3)`B. `CH_(3)-^(**)CH=CH-CH_(3)`C. `CH_(3)-CH_(2)-C equiv^(**)CH`D. `CH_(3)-CH_(2)-CH=^(**)CH_(2)`

Answer» Correct Answer - C
`- C equiv overset(**)(C)H` carbon is the most electronegative since it is sp hydridised and has maximum s-character. The release of `H^(+)` from `C - H` bond becomes easiest.


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