Assertion :Alcohol and a carboxylic acid is distinguished by sodium bicarbonate test. Reason: An aqueous solution of $N a H C O_{3}$ produces brisk effervescence due to the evolution of $C O_{2}$ with carboxylic acid.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Sodium bicarbonate test:
Take a small amount of each compound in a test tube and add to it an aqueous solution of $N a H C O_{3}$ . The compound which produces brisk effervescence due to the evolution of $C O_{2}$ must be a carboxylic acid.

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Similar questions

Assertion (A) Ethanol is a weaker acid than phenol.
Reason (R) Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

.

Reason:

CaO

formed by decomposition of

{CaCO}_{3}

reacts with

{SiO}_{2}

to form slag.

ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - $C H_{2}$ - group.

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Assertion :Alcohol and a carboxylic acid is distinguished by sodium bicarbonate test. Reason: An aqueous solution of NaHCO3 produces brisk effervescence due to the evolution of CO2 with carboxylic acid.

Assertion :Alcohol and a carboxylic acid is distinguished by sodium bicarbonate test. Reason: An aqueous solution of $N a H C O_{3}$ produces brisk effervescence due to the evolution of $C O_{2}$ with carboxylic acid.