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Factors Affecting Rate of Reaction

67. At 27^° C...

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67. At 27^° C in presence of catalyst activation energy of a reaction is lowered by 2 kcal, then the rate of reaction increases by (1) 7 times (2) 14 times (3) 21 times (4) 28 times

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Q. In the presence of a catalyst, activation energy of a reaction is lowered by 2 kcal at

27^{\circ} C

. Hence, rate will be:

Q. In presence of a catalyst, the activation energy is lowered by 3 kcal at

27^{o} C

. Hence, the rate of reaction will increase by:

Q. In the pressence of a catalyst, the activation energy of a reaction is lowered by

2 k c a l

27^{o} C

. The rate of reaction will increase by:

(A n t i l o g 1.43 = 28)

Q. For a given reaction, pressure of catalyst reduces the energy of activation by 2 kcal at

27^{0} C

. The rate of reaction will be increased by:

Q. The activation energy of the reaction is

75 k J / m o l

in absence of a catalyst and it lowers to

50.14 k J / m o l

with a catalyst. How many times will the rate of reaction grow in presence of a catalyst if the reaction proceeds at

25^{\circ} C

?

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Factors Affecting Rate of Reaction

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