TS EAMCET · Chemistry · Alcohols Phenols and Ethers
The correct order of reactivity of hydrogen halides with ethyl alcohol is
- A \(\mathrm{HF}>\mathrm{HCl}>\mathrm{HBr}>\mathrm{HI}\)
- B \(\mathrm{HCl}>\mathrm{HBr}>\mathrm{HF}>\mathrm{HI}\)
- C \(\mathrm{HBr}>\mathrm{HCl}>\mathrm{HI}>\mathrm{HF}\)
- D \(\mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}>\mathrm{HF}\)
Answer & Solution
Correct Answer
(D) \(\mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}>\mathrm{HF}\)
Step-by-step Solution
Detailed explanation
Among hydrogen halides, as the size of halide ion increases, its reactivity towards ethyl alcohol also increases. Thus, the order of reactivity of hydrogen halides is \[ \mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}>\mathrm{HF} \]
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