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(A) Pentan-2-one can be distinguished fr...

(A) Pentan-2-one can be distinguished from pentan-3-one by iodoform test.
(R) Former is a methyl ketone whereas the latter is not a methyl ketone.

A

Assertion and reason both are correct statements and reason is correct explanation for assertion.

B

Assertion and reason both are correct statements but reason is not correct explanation for assertion.

C

Assertion is correct statement but reason is wrong statement.

D

Assertion is wrong statement but reason is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
A
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Draw the structure of 3-methyl-pentanal.

Knowledge Check

  • Aldehydes can be distinguished from ketones by using

    A
    dil . NaOH
    B
    R-MgX
    C
    `Na_(2)CO_(3)`
    D
    Schiff's reagent

  • Aniline can be distinguished from methyl amine by its reaction with

    A
    p - toluene sulphonyl chloride /KOH
    B
    (i) `NaNO_2//HCl,0-5^@C`
    (ii) alkaline `beta` - naphthol
    C
    Sn/HCl
    D
    Acetyl choride

  • Pentan -2- one differs from pentane-3 one in that :

    A
    Pentane-2-one does not give iodoform test
    B
    Pentane-2-one gives iodoform test
    C
    Pentane-3-one gives iodoform test
    D
    Pentane-2-one does not react with `NaHSO_(3)`

    • Similar Questions

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    Assertion : Pentan-2-one and pentan-3-one can be distinguished with the help of iodoform test. Reason : Pentan-2-one is a methyl ketones but pentan-3-one is not.

    Methyl alcohol can be distinguished from ethyl alcohol using

    Pentan-3-one is not obtained from

    Assertion : Pentan-2-one and pentan-3-one can be distinguished by iodoform test. Reason : Only methylketines take part in iodoform reaction.

    Which will not give pentan-3-one ?

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