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What are primary, secondary and tertiary...

What are primary, secondary and tertiary alcohols? Starting with a Grignard reagent, how will you obtain each one of these? What happens when these three classes of alcohols are
(i) passed over heated copepr
(ii) oxidised with `K_(2)Cr_(2)O_(7) and H_(2)SO_(4)`?

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Knowledge Check

  • Isopropyl alcohol is oxidised with K_(2)Cr_(2)O_(7) and H_(2)SO_(4) to give :

    A
    `CH_(3)CHO`
    B
    `CH_(3)COCH_(3)`
    C
    `CH_(3)CH_(2)CH_(2)COOH`
    D
    `CH_(3)CH=CH_(2)`

  • The oxidation of aniline with K_(2)Cr_(2)O_(7) //H_(2)SO_(4) produces mainly

    A
    Nitrobenzene
    B
    Benzoic acid
    C
    `p-`Benzo quinone
    D
    Benzamide

  • Which one of the following compounds would not be easilty oxidised by K_(2)Cr_(2)O_(7) in dil. H_(2)SO_(4) ?

    A
    `CH_(3)OH`
    B
    `(CH_(3))_(3)C-OH`
    C
    `CH_(3)CH_(2)OH`
    D
    `CH_(3)CHO`

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    What happens when CH_(3)CHO is treated with K_(2)Cr_(2)O_(7) in presence of H_(2)SO_4 ?

    What are primary, secondary and tertiary alcohols ? What happens when these alcohols are oxidised separately by using acidified KMnO_(4) ?

    Which one of the following compounds would not be easily oxidised by K_(2) Cr_(2) O_(7) "in dil" H_(2) SO_(4) ?

    The reddish brown gas produced by heating KCl with K_(2)Cr_(2)O_(7) (solid) and conc. H_(2)SO_(4) is

    Which of the following alcohols can be oxidised by K_(2)Cr_(2)O_(7) ?

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