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Question
Arrange 1°, 2° and 3° haloalkanes in the decreasing order of their reactivity towards nucleophilic substitution reactions.
Short Answer
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Solution
- For the (SN2) mechanism (bimolecular nucleophilic substitution), the order is:
1° haloalkanes > 2° haloalkanes > 3° haloalkanes - For the ( SN1) mechanism (unimolecular nucleophilic substitution), the order is:
3° haloalkanes > 2° haloalkanes > 1° haloalkanes
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