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An alcohol A, when heated with conc. H(2...

An alcohol A, when heated with conc. `H_(2)SO_(4)` gives an alkene B. When B is bubbled through bromine water and the product obtained is dehydrohalogenated with exccess of sodamide, a new compound C is obtained. The compound C gives D when treated with warm dilute `H_(2)SO_(4)` in the presence of `HgSO_(4)`. D can also be obtained either byh oxidising A with `KMnO_(4)` or form acetic acid through its calcium salt. Identify A, B, C, and D.

Text Solution

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(D) is obtained by distillation of calcium acetante as well as by oxidation of (A) by `KMnO_(4)`. It suggest (D) is acetone and (A) is propan-2-ol.
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Knowledge Check

  • Kl when heated with conc. H_(2)SO_(4) gives

    A
    Hl
    B
    `I_(2)`
    C
    `HIO_(3)`
    D
    `KIO_(3)`
  • KMnO_(4) is heated with conc. H_(2)SO_(4) gives

    A
    `Mn_(2)O_(7)`
    B
    `MnO_(2)`
    C
    `MnSO_(4)`
    D
    `MnO`
  • When propyne is treated with dilute H_(2)SO_(4) in the presence of HgSO4_(4) the product formed is

    A
    propylene hydrogen sulphate
    B
    1-propanol
    C
    acetone
    D
    propanal
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