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Mark the incorrect statements....

Mark the incorrect statements.

A

Catalyst provides an alternative pathway to reaction mechanism.

B

Catalyst raises the activation energy.

C

Catalyst lowers the activation energy.

D

Catalyst alters enthalpy change of the reaction.

Text Solution

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The correct Answer is:
B, D
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GRB PUBLICATION-CHEMICAL KINETICS-Multiple Objective type
  1. Select to correct statements.

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  2. At high pressure the following reaction is zero order 2NH(3)(g)-und...

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  3. During decomposition of an activated complex :

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  4. For the reaction A+3BrarrC, select the corrct statement :

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  5. For a reversible reaction (first order in both directions) Aunderset...

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  6. for a given reaction, rate =k [A][B]^(2//3) correct option (s) /are:

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  7. Rate of radiocative decay for a radioactive element depends on :

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  8. Which of the foloowingf statements are correct for temperature depende...

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  9. 2X(g)+Y(g)+3Z(g)rarrProducts Choose the correct statement (s).

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  10. Three different samples of radioactive substances each containing equa...

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  11. A sample(92)^(238)U when kept at 298 K in a closed cassel shows alpha-...

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  12. Which of the following statements are applicable to a balanced chemica...

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  13. The activation energies of two reactions I and II are E(a) and 2E(a) r...

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  14. Which of the following statements are in accordance with the Arrhenium...

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  15. For a complex reaction :

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  16. Mark the incorrect statements.

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  17. There are four nuclei A,B.C and D having mass numbers 9, 10,11 and , ...

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  18. Which of the following are correct for redioactivity ?

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  19. Which of the following may infuluence the rate of chemical reactions ?

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  20. For a reversible reaction A underset(k(2)=2 xx 10^(2)s^(-1))overset(k(...

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