What is the decreasing order of reactivity of | vedclass

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(A) The reaction $ROH + HX \rightarrow RX + H_2O$ involves the cleavage of the $C-O$ bond in the alcohol.This reaction is facilitated by the nucleophi

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$HI > HBr > HCl > HF$

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(A) The reaction $ROH + HX \rightarrow RX + H_2O$ involves the cleavage of the $C-O$ bond in the alcohol.This reaction is facilitated by the nucleophilic attack of the halide ion $(X^-)$ on the protonated alcohol.The reactivity of $HX$ depends on the strength of the $H-X$ bond.As the size of the halogen atom increases from $F$ to $I$,the $H-X$ bond strength decreases ($HI Consequently,the ease of breaking the $H-X$ bond increases in the order $HF Therefore,the decreasing order of reactivity of $HX$ is $HI > HBr > HCl > HF$.

What is the decreasing order of reactivity of $HX$ in the given reaction: $ROH + HX \rightarrow RX + H_2O$?

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