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12th Standard English Medium Chemistry Subject Hydroxy Compounds and Ethers Book Back 3 Mark Questions with Solution Part - II Question Bank Software Jun-02 , 2021

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12th Standard English Medium Chemistry Subject Hydroxy Compounds and Ethers Book Back 3 Mark Questions with Solution Part - II

12th Standard English Medium Chemistry Subject Hydroxy Compounds and Ethers Book Back 3 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 15

    Part I

    5 x 3 = 15

  1. How is phenol prepared from
    i) chloro benzene
    ii) isopropyl benzene

  2. Write the chemical equation for Williamson synthesis of 2-ethoxy – 2- methyl pentane starting from ethanol and 2 – methyl pentan -2-ol.

  3. What is metamerism? Give the structure and IUPAC name of metamers of 2-methoxy propane

  4. When tertiary butyl alcohol and 1-butanol are separately treated with a few drops of KMnO4, in one case only the purple colour disappears and a brown precipitate is formed. Which of the two alcohols gives the above reaction and what is that brown precipitate?

  5. Give the Grignard reagent and carbonyl compound that can be used to prepare.
    (a) CH3-CH2-CH2-OH
    (b) (CH3)2C(OH)CH2CH2CH3
    (c) C6H5CH2CH(OH)CH3

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