Assertion :Rayon is a semisynthetic polymer whose properties are better than natural cotton. Reason: Mechanical and aesthetic properties of cellulose can be improved by acetylation.

Both assertion and reason are correct and the reason is the correct explanation for the assertion

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Both assertion and reason are correct but the reason is not the correct explanation for the assertion

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Assertion is incorrect statement but the reason is correct

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Both assertion and reason are incorrect

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Solution

The correct option is B Both assertion and reason are correct but the reason is not the correct explanation for the assertion
The strength of cellulose is improved by acetylation and then for making packing material. Rayon which semi-synthetic polymer has superior properties than natural cotton.

Both assertion and reason are correct and the reason is the correct explanation for the assertion.

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Similar questions

Assertion (A) Raton is a semisynthetic polymer and is taken as better choice than cotton fabric.

Reason (R) Mechanical and aesthetic properties of cellulose can be improved by Acetylation.

(a) Assertion and Reason both are correct statement But reason does not explain Assertion.

(b) Assertion and Reason both are correct statement and Reason explains the Assertion.

(d) Assertion is correct statement and Reason is wrong statement.

(e) Assertion is wrong statement and reason is correct statement.

Assertion: Be and Al have similar properties.

Reason: $B e^{2 +}$ and $A l^{3 +}$ have nearly the same charge/volume ratios and similar polarising power.

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) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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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