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RCI is hydrolysed to ROH slowly but the ...

RCI is hydrolysed to ROH slowly but the reaction is rapid if a catalytic amount of KI is added to the reaction mixture. Explain.

Text Solution

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lodide is a powerful nucleophile and therefore, it reacts rapidly with RCI to form
`KI to K^(+)+I^(-)`

Further `I^(-)` ion is a better leaving group than `Cl^(-)` ion and therefore, RI is more readily hydrolysed to form
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