Question

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

• A.
• B.
• C.
• D.

Answer 1

The correct option is A

Hybridisation of $‘C^{\prime }$ in organic compounds

● Electronegativity of carbon depends upon the state of hybridisation.

● As the percentage of s-character in the hybridisation of carbon atoms increases, the electronegativity increases.

● sp Hybridised carbon is most electronegative. It has 50% s-character.



So, the carbon marked with asterisk of compound $\left(C\right)$ is sp hybridised. Thus, this carbon is most electronegative among the given compounds with $50\%$ $s-$character.

Hence, the correct choice is Option $\left(C\right).$