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What is an elementary reaction?...

What is an elementary reaction?

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Elementary reaction is a reaction taking place in a single step. e.g.,
` H_2 +I_2 to 2HI`
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Each question contains STATEMENTS-1 (Assertion) and STATEMENT -2 (Reason). Examine the statements carefully and mark the correct answer according to the instructions given below: STATEMENT-1: An elementry reaction cannot have fractional order. STATEMETNT-2:Stoichiometric coefficients in an elementary reaction can be fractional.

Which of the following statements are applicable to a balanced chemical equation of an elementary reaction ?

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Assuring an elementary reaction H_2O_2+3I^(-)+2H^(+)rarr2H_2O+I_3^(-) . The effect on the rate of this reaction brought about by doubling the concentration of I^(-) without changing the order

ICSE-CHEMICAL KINETICS-EXERCISE (PART- II (DESCRIPTIVE QUESRTIONS) A. VERY SHORT ANSWER QUESTIONS (WITH ANSWERS ))
  1. How does a catalyst work?

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  2. State the rate law of chemical reactions.

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  3. What is an elementary reaction?

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  4. Define order of a reaction.

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  5. What is meant by molecularity of a reaction ?

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  6. For the reaction 2X to X2, the rate of reaction becomes three times w...

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  7. Why hydrolysis of ethyl acetate with NaOH follows second order kinetic...

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  8. Identify the reaction order from each of the following rate : k=2.3...

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  9. Identify the reaction order from each of the following rate : k=3.1...

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  10. Give one example of reaction in which order and molecularity are equal...

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  11. For which order of the reaction, the units of the rate constant are in...

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  12. What is the order of a photochemical reaction ?

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  13. Does a zero order reaction has molecularity equal to zero?

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  14. Give an example of pseudo first order reaction.

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  15. How does the value of rate constant vary with reactant concentration?

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  16. A substance with initial concentration a follows zero order kinetics w...

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  17. The reaction A + B rarr C has zero order. What is the rate equation?

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  18. For the reaction, Ester + H^(+) to Acid + Alcohol, rate = k[Ester] [H...

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  19. For a reaction A +2B to C, rate =k[A]^x [B]^y. What is the order of r...

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  20. For a reaction A to B , the rate of reaction becomes twenty seven time...

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