The order of reactivity of hydrogen halides with an alcohol is

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HCl > HBr > HI

HCl < HBr < HI

HCl > HBr < HI

HCl < HBr > HI

answer is B.

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Detailed Solution

The order of reactivity is HCl < HBr < HI.

Metals are arranged in the reactivity series from least reactive to most reactive. The activity series of metals is another name for the reactivity series. The series is founded on empirical information about a metal's capacity to expel hydrogen gas from water and acid.

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