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Question
The order of reactivity of hydrogen halides with ether is as follows.
Options
HBr > Hl > HCl
HCl > HBr > Hl
HCl > HBr > Hl
HCl > HI > HBr
MCQ
Solution
HCl > HBr > Hl
Explanation:
The cleavage of ethers usually takes place with conc. HI or HBr at high temperature.
Greater the nucleophilicity of halide ion, more is the reactivity of hydrogen halide.
\[\ce{R - OR + HX -> RX + ROH}\]
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