Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 8

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For a first order gas phase reaction-
$A (g) \to 2 B (g) + C (g)$
Let $P_{2}$ be initial pressure of $A$ and $P_{t}$ the total pressure at time ' $t$ '. Integrated rate equation is-

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Important Questions on Chemical Kinetics

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 9

In a zero-order reaction for every

10 °

rise of temperature, the rate is doubled. If the temperature is increased from

10 ° C

to

100 ° C

, the rate of the reaction will become.

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 10

In a reaction,

A + B \to

Product, rate is doubled when the concentration of B is doubled and rate increases by a factor of

8

when the concentration of both the reactants (A and B) are doubled. Rate law for the reaction can be written as :

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 11

Activation energy

(E_{a})

and rate constants (

k_{1}

and

k_{2}

) of a chemical reaction at two different temperatures (

T_{1}

and

T_{2}

) are related by:

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 12

For a reaction

r = k {({CH}_{3} {COCH}_{3})}^{3 / 2}

the unit of rate of reaction and rate constant, respectively are:-

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 13

t_{1 / 2} v / s \frac{1}{a^{2}}

is a straight line graph then determine the order of reaction is :-

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 14

A reaction having equal energies of activation for forward and reverse reaction has:

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 15

What is the activation energy for a reaction if its rate doubles when the temperature is raised from

20 ° C

to

35 ° C

?

(R = 8.314 J {mol}^{- 1} K^{- 1})

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-II (Previous Year Questions)>Q 16

Energy of activation of forward reaction for an endothermic process is

50 kJ

and enthalpy change is

20 kJ

then activation energy change for backward reaction will be :-