Home
Class 12
CHEMISTRY
Assertion (A) Order and molecularity are...

Assertion (A) Order and molecularity are same.
Reason (R) Order is determined experimentally and molecularity is the sum of the stoichiometric coefficient of rate determining elementary step.

A

Both assertion and reason are correct and the reason is correct explananation of assertion.

B

Both assertion and reason are correct but reason does not explain assertion.

C

Assertion is correct but reason is incorrect.

D

Assertion is incorrect but reason is correct.

Text Solution

Verified by Experts

Correct Assertion. Order may or may not be equal to molecularity.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTTIONS (LONG ANSWER QUESTIONS)|5 Videos

  • CHEMICAL KINETICS

    PRADEEP|Exercise ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS) I. General introduction and rates of reactions|6 Videos

  • CHEMICAL KINETICS

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTTIONS (ASSERTION AND REASON TYPE QUESTIONS)|1 Videos

  • BIOMOLECULES

    PRADEEP|Exercise IMPORTANT QUESTIONS (FOR BOARD EXAMINATION)|25 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    PRADEEP|Exercise IMPORTANT QUESTION FOR BOARD EXAMINATION|30 Videos

Similar Questions

Explore conceptually related problems

Assertion: Order and molecularity are same. Reason: Order is determined experimentally and molecularity is the sun of the stoichiometric coefficient of determining elementary step.

Assertion (A): For complex reactions molecularity and order are not same. Reason (R): Order of reaction may be zero.

Assertion (A) : The order of a reaction can be fractional but molecularity is never fractional. Reason (R ): The order of reaction does not depend upon the stoichiometric coefficients of a balanced equation.

(i) Distinguish between order and molecularity of a reaction. (ii) when would order and molecularity of a reaction be the same?

Assertion (A) : Molecularity of inversion of sugar is one The order of this reaction is one.

Assertion: Order and molecularity of a reaction are always equal. Reason: Complex reactions take place in steps and slowest step determines the reaction order.

Assertion (A) Order of the reaction can be zero or fractional. Reason (R) We cannot determine order from balanced chemical equation.

Assertion (A) : For the reaction H_(2)+I_(2) hArr 2HI, K_(p)=K_(c) Reason (R) : In this reaction, the sum of stoichiometric coefficient of reactants is equal to the sum of stoichiometric coefficients of products.

Which of the following statemen is /are correct about order of a reaction? I. The order of a reaction can be a fractional number. II. Order of a reaction is experimentally determined quantity. III. The order of a reaction is always equal to the sum of the stoichimetric coefficients of reactants in the balanced chemical equation for a reaction. IV. The order of a reaction is the sum of the powers of molar concentration of the reactants in the rate law expression. Choose the correct option.