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Q. The correct order regarding the electronegativity of hybrid orbitals of carbon is

AIPMTAIPMT 2006The p-Block Elements

Solution:

The correct order regarding the electronegativity of hybrid orbitals of carbon is sp $> sp^2 >sp^3$ because in sp, sp$^2 \, and \, sp^3$ hybrid orbitals s-orbital character is $50\%, 33.3\%$ and $25\%$ respectively and due to higher s-character electron attracting tendency, i.e. electronegativity increases.