ROH + HX to RX + H_2OIn the above reaction,th | vedclass

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(A) The reaction of alcohols with hydrogen halides $(HX)$ involves the cleavage of the $C-O$ bond.The reactivity of $HX$ depends on the strength of th

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$HI > HBr > HCl > HF$

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(A) The reaction of alcohols with hydrogen halides $(HX)$ involves the cleavage of the $C-O$ bond.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 bond dissociation energy of the $H-X$ bond decreases.Therefore,the bond strength order is $HF > HCl > HBr > HI$.Consequently,the reactivity order for the cleavage of the $H-X$ bond is $HI > HBr > HCl > HF$.

$ROH + HX \to RX + H_2O$
In the above reaction,the reactivity order of hydrogen halides is

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$ROH + HX \to RX + H_2O$In the above reaction,the reactivity order of hydrogen halides is