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Byju's Answer

Standard XII

Chemistry

Preparation of Benzene and Homologues

Assertion : T...

Question

Assertion : Transparent soaps are made by dissolving soaps in ethanol
Reason : Ethanol makes things invisible

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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Both Assertion and Reason are incorrect

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is correct but Reason is incorrect
Option (D) is correct. Assertion is correct but Reason is incorrect.
Transparent soaps are made by dissolving soaps in ethanol and evaporating the excess solvent. Ethanol cannot make things invisible. At the time of preparation of soap, the alcohol dissolves the soap into clear, amber liquid.

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Similar questions

Assertion and Reason
In the following questions a statement of assertion (A) followed by a statement reason (R) is given. Choose the correct answer out of the following choice..
(a) Assertion and reason both are correct statements but reason does not explain assertion.
(b) Assertion and reason both are correct and reason explains asssWon.
(c) Both assertion and reason are Wrong statements.
(d) Assertion is correct statement reason is wrong statement.
(e) Assertion is wrong statement reason is correct statement.

Assertion (A) Transparent soaps are made by dissolving soaps in ethanol.
Reason (R) Ethanol makes things invisible.

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.

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.

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 – 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

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Assertion : Transparent soaps are made by dissolving soaps in ethanolReason : Ethanol makes things invisible

Assertion : Transparent soaps are made by dissolving soaps in ethanol
Reason : Ethanol makes things invisible