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NCERT Class XII Chemistry
Chapter - Haloalkanes and Haloarenes
Questions with Solutions

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Question : 30
Total: 31
In the following pairs of halogen compounds, which compound undergoes faster SN1 reaction?
Solution:  
SN1 reaction proceeds via the formation of a carbocation intermediate. This intermediate is formed by the cleavage of the C — X bond. More stable is the resultant carbocation faster is the SN1 reaction.
Order of stability of carbocation is
3° carbocation> 2° carbocation > 1° carbocation(i)
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