In which of the following cases is the bond l | vedclass

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(D) The bond length is inversely proportional to the bond order.In $CH_3NH_2$,the bond is $C-N$ (single bond,bond order = $1$).In $C_6H_5CH=NOH$,the b

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$CH_3CN$

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(D) The bond length is inversely proportional to the bond order.In $CH_3NH_2$,the bond is $C-N$ (single bond,bond order = $1$).In $C_6H_5CH=NOH$,the bond is $C=N$ (double bond,bond order = $2$).In $CH_3CONH_2$,the bond has partial double bond character due to resonance (bond order between $1$ and $2$).In $CH_3CN$,the bond is $C \equiv N$ (triple bond,bond order = $3$).Since $CH_3CN$ has the highest bond order $(3)$,it has the minimum bond length between carbon and nitrogen. Therefore,the correct option is $(D)$.

In which of the following cases is the bond length between carbon and nitrogen minimum?

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