Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-III (Analytical Questions)>Q 12

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An endothermic reaction with high activation energy for the forward reaction is given by the diagram :

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Important Questions on Chemical Kinetics

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-III (Analytical Questions)>Q 13

A reactant (A) forms two products :

\begin{matrix} A \overset{k_{1}}{⟶} B & Activation energy E_{a_{1}} \\ A \overset{k_{2}}{⟶} C & Activation energy E_{a_{2}} \end{matrix}

If

E_{a_{2}} = 2 E_{a_{1}}

, then k₁ and k₂ will be related as :

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-III (Analytical Questions)>Q 14

The rate of a reaction doubles when its temperature changes from

300 K

to

310 K

. Activation energy of such a reaction will be

(R = 8.314 {JK}^{- 1} {mol}^{- 1}

and

\log 2 = 0.301)

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-IV (Assertion & Reason)>Q 2

Assertion: Two different reactions can never have same rate of reaction.

Reason: Rate of reaction always depends only on frequency of collision and Arrhenius factor.

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-IV (Assertion & Reason)>Q 7

Which of the following is used to absorb water?

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-IV (Assertion & Reason)>Q 8

The heat evolved in physisorption lies in the range

(kJ / mol)

of:

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-IV (Assertion & Reason)>Q 9

Adsorbed acetic acid on activated carbon is:

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-IV (Assertion & Reason)>Q 12

1 g

of charcoal having surface area

3.02 \times 10^{2} m^{2}

is mixed in

100 ml

of

0.5 M

acetic acid solution; after few times concentrations of solution becomes,

0.49 M

. What will be surface area occupied by one molecule of acetic acid?

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Beta Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>EXERCISE-IV (Assertion & Reason)>Q 13

The nature of colloidal solution obtained when excess

{FeCl}_{3}

is added in precipitate of

Fe (OH)_{3}

?