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Assertion : Butan-2-ol and pentan-2-ol c...

Assertion : Butan-2-ol and pentan-2-ol cannot by distinguished by iodoform.
Reason : Both are secondary alcohols and will give yellow ppt.

A

If both assertion and reason are correct and reason is correct explanation for assertion.

B

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

C

If assertion is correct but reason is incorrect.

D

If assertion and reason both are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
A
Reason is the correct explanation for assertion.
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Butane -2-ol is

Statement-1: 2-Pentanol and 3-pentanol cannot be distinguished by iodoform test. Stetement-2: 2-Pentanol and 3-pentanol both are secondary alcohols.

Knowledge Check

  • Butan-2-ol is a :

    A
    primary alcohol
    B
    secondary alcohol
    C
    tertiary alcohol
    D
    dihydric alcohol

  • Propan-1-ol and propan-2-ol can be best distinguished by

    A
    oxidation with alkaline `KMnO_4` followed by reaction with Fehling's solution
    B
    oxidation with acidic dichromate followed by reaction with Fehling's solution
    C
    oxidation by heating copper with acidic dichromate solution followed by reaction with Fehling's solution
    D
    oxidation with concentrated `H_2SO_4` followed by reaction with Fehling's solution.

  • Propan-1-ol and propan-2-ol can be best distinguished by :

    A
    Oxidation with `KMnO_(4)` followed by reaction with Fehling solution.
    B
    Oxidation with acidic dichromate followed by reaction with Fehling solution.
    C
    Oxidation by heating with copper followed by reaction with Fehing solution.
    D
    Oxidation with concentrated `H_(2)SO_(4)` followed by reaction with Fehling solution.

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