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Ethyl alcohol reacts with HI but not wit...

Ethyl alcohol reacts with HI but not with HCN. Explain why?

Text Solution

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Ethanol being very weak Lewis base and thus reacts with stronger acid HI
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Knowledge Check

  • Ethyl alcohol on heating with HI yields

    A
    Ethane
    B
    Ethyl iodide
    C
    Ethylene
    D
    Methane
  • Ethyl alcohol on heating with HI yield

    A
    ethane
    B
    ethylene
    C
    methane
    D
    ethyl iodide
  • Ethyl alcohol reacts at a faster rate with HI than with HCI in forming the corresponding ethyl halides under identical conditions mainly because-

    A
    `HI`, being a stronger acid, protonates ethyl alcohol at oxygen much better and helps substitution
    B
    the bond length in `HI` is much shorter than that in `HCI`
    C
    `I^(-)` is a much better leaving group
    D
    `I^(-)` is a much better nuclephile than `CI^(-)`
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