Assertion :Only effective collisions lead to chemical reaction. Reason: Molecules undergoing effective collisions are associated with energy greater than or equal to the activation energy.

Both assertion and reason are correct and reason is the correct explainstion of the assertion

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Both assertion and reason are correct, but reason is not the correct explanation of the 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 B Both assertion and reason are correct, but reason is not the correct explanation of the assertion
Only effective collisions lead to chemical reaction
Molecules having proper orientation and associated with energy greater than or equal to activation energy undergo effective collisions.
Hence, option B correct.

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Similar questions

Assertion (A) All collision of reactant molecules lead to product formation.

Reason (R) Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formation.

(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 (A) Rate constant determined from Arrhenius equation are fairly accurate for simple as well as complex molecules.

Reason (R) Reactant molecules undergo chemical change irrespective of their orientation during collision.

Assertion (A) The enthalpy of reaction remains constant in the presence of a catalyst.

Reason (R) A catalyst participating in the reaction forms different activated complex and lowers down the activation energy but the difference in enrgy of reactant and product remains the same.

Assertion (A) Order of the reaction can be zero or fractional.

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

Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
Reason (R) m and p-nitrophenols exist as associated molecules.
(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.

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