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The temperature coefficient of a reactio...

The temperature coefficient of a reaction is the ratio of the rate constants at temperatures differing by ......

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ICSE-CHEMICAL KINETICS-EXERCISE (PART- I (OBJECTIVE QUESRTIONS)A.FILL IN THE BLANKS)
  1. Threshold energy is always ....... than activation energy.

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  2. The rate of reaction ........ with increase in temperature.

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  3. The temperature coefficient of a reaction is the ratio of the rate con...

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  4. The second order reaction becomes first order if one of reactants is ....

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  5. Threshold energy minus the energy which the molecules actually possess...

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  6. The hydrolysis of ethyl acetate in ........ medium is...... order reac...

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  7. .......... of molecules containing more than activation energy is indi...

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  8. Which reaction order obeys the expression T(1//2) = 1/(K .A ) in chem...

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  9. A catalyst decreases .......... of a reaction.

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  10. For a relatively fast reaction, the rate constant is relatively………….an...

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  11. Reaction with low activation energy are ............ and the reactions...

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  12. Effective colliosions are those in which colloiding molecules must hav...

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  13. In the equation k = A e^(-Ea//RT), the constant A is known as ...........

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  14. The unit of the rate of reaction is ............ and the unit of first...

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  15. In most reactions, the rate of reaction doubles or triples for ...... ...

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  16. A negative catalyst ......... the activation energy.

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  17. The order of a reaction rarely exceeds ...........

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  18. The order of reaction may ......... same as molecularity of the same r...

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  19. Threshold energy is always ....... than activation energy.

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  20. The rate of reaction ........ with increase in temperature.

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