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Ethene reacts with cold dilute KMnO(4) t...

Ethene reacts with cold dilute `KMnO_(4)` to produce

A

ethane-`1,2`-dial

B

ethanol

C

ethanal

D

ethane -`1,2`-diol

Text Solution

Verified by Experts

The correct Answer is:
B
`CH_(2)=CH_(2)+KMNO_(4)underset(CH^(-)H_(2)O)overset(Cold)rarrunderset("Ethylene glycol")(underset(HO)underset(|)(H_(2)C)-underset(OH)underset(|)(CH_(2)))`
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Knowledge Check

  • 1-Butyne reacts with cold alkaline KMnO_(4) to produce

    A
    `CH_(3)CH_(2)COOH`
    B
    `CH_(3)CH_(2)CH_(2)COOH`
    C
    `CH_(3)CH_(2)COOH+CO_(2)`
    D
    `CH_(3)CH_(2)COOH+HCOOH`

  • 1-butyne reacts with cold alkaline KMnO_4 to produce

    A
    `CH_3CH_2COOH`
    B
    `CH_3CH_2CH_2COOH`
    C
    `CH_3CH_2COOH+CO_2`
    D
    `CH_3CH_2COOH+HCOOH`

  • trans-But -2- ene reacts with cold dilute KMnO_(4) solution to yield

    A
    butane`-2,3-`dione
    B
    `(+-)`butan`-2-`ol
    C
    meso-butane`2-,3-`diol
    D
    `(+-)`butane`-2,3-`diol

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