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Standard XII

Chemistry

Heat of Reaction

Assertion :If...

Question

Assertion :If the order of reaction is zero, then degree of dissociation will be independent of initial concentration. Reason: The degree of dissociation of zero order reaction is given by $α = \frac{k t}{c_{0}}$

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is incorrect but Reason is correct
For zero order reaction degree of dissociation $α = \frac{k t}{c_{0}}$ it depend upon initial concentration.

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Similar questions

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.

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 and molecularity are same.

Reason (R) Order is determined experimentally and molecularity is the sum of the stoichimetric coeffcient of rate determining elementary step.

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.

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Assertion :If the order of reaction is zero, then degree of dissociation will be independent of initial concentration. Reason: The degree of dissociation of zero order reaction is given by α=ktc0

The correct option is D Assertion is incorrect but Reason is correctFor zero order reaction degree of dissociation α=ktc0 it depend upon initial concentration.

Assertion :If the order of reaction is zero, then degree of dissociation will be independent of initial concentration. Reason: The degree of dissociation of zero order reaction is given by $α = \frac{k t}{c_{0}}$

The correct option is D Assertion is incorrect but Reason is correct
For zero order reaction degree of dissociation $α = \frac{k t}{c_{0}}$ it depend upon initial concentration.