Which of the following molecules would have a | vedclass

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(D) The susceptibility of a carbon-halogen bond to nucleophilic substitution depends on the strength of the $C-X$ bond. As the size of the halogen ato

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$2$-iodobutane

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(D) The susceptibility of a carbon-halogen bond to nucleophilic substitution depends on the strength of the $C-X$ bond. As the size of the halogen atom increases down the group $(F Therefore,the $C-I$ bond is the weakest and most easily broken,making it the most reactive towards nucleophilic substitution. The decreasing order of reactivity is: $2$-iodobutane > $2$-bromobutane > $2$-chlorobutane > $2$-fluorobutane. Thus,$2$-iodobutane is the most susceptible to nucleophilic substitution.

Which of the following molecules would have a carbon-halogen bond most susceptible to nucleophilic substitution?

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