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Standard XII

Chemistry

Common Ion Effect

Assertion :Th...

Question

Assertion :Thionyl chloride can be prepared by chlorinating $S O_{2}$ by $P C l_{5}$ Reason: The anhydrous ferric chloride can be prepared from its hexahydrated salt treated with 2,2-dimethoxypropane.

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Dimethoxy propane acts as dehydrates agent by removing water from hexahydrated salt of $F e C l_{3}$
$F e C l_{3} .6 H_{2} O ⟶ F e C l_{3}$
Reason is not correct explanation of assertion.

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Similar questions

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.
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Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

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Reason:

CaO

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{CaCO}_{3}

reacts with

{SiO}_{2}

to form slag.

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 – 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 :Thionyl chloride can be prepared by chlorinating SO2 by PCl5 Reason: The anhydrous ferric chloride can be prepared from its hexahydrated salt treated with 2,2-dimethoxypropane.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionDimethoxy propane acts as dehydrates agent by removing water from hexahydrated salt of FeCl3FeCl3.6H2O⟶FeCl3Reason is not correct explanation of assertion.

Assertion :Thionyl chloride can be prepared by chlorinating $S O_{2}$ by $P C l_{5}$ Reason: The anhydrous ferric chloride can be prepared from its hexahydrated salt treated with 2,2-dimethoxypropane.