Order of the bond strength of C-H bonds invol | vedclass

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(A) The bond strength of a $C-H$ bond depends on the electronegativity of the carbon atom.As the $s$-character in the hybrid orbital increases,the ele

Vedclass · Accepted Answer

$sp > sp^2 > sp^3$

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(A) The bond strength of a $C-H$ bond depends on the electronegativity of the carbon atom.As the $s$-character in the hybrid orbital increases,the electronegativity of the carbon atom increases.The $s$-character in $sp, sp^2,$ and $sp^3$ hybrid orbitals is $50\%, 33.3\%,$ and $25\%$ respectively.Therefore,the order of electronegativity is $sp > sp^2 > sp^3$.Greater electronegativity leads to a shorter and stronger $C-H$ bond.Thus,the correct order of bond strength is $sp > sp^2 > sp^3$.

Order of the bond strength of $C-H$ bonds involving $sp, sp^2$ and $sp^3$ hybridized carbon atoms is

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