Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 31

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Consider the following in respect of zero order reaction

I. $t_{1 / 2}$ is directly proportional to the initial concentration

II. Time taken for the completion of the reaction is twice its $t_{1 / 2}$

III. Concentration of the reactant decreases linearly with time

Which of the statements given above are correct?

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Important Questions on Chemical Kinetics

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 32

If initial concentration is reduced to

1 / 4^{th}

in a zero order reaction, the time taken for half the reaction to complete

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 33

The inversion of cane sugar represented by

C_{12} H_{22} O_{11} + H_{2} O \to C_{6} H_{12} O_{6} + C_{6} H_{12} O_{6}

is a _____ reaction

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 34

If initial concentration of the reactants is doubled, the time for half reaction is also doubled, the order of the reaction is

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 38

A first order reaction completes

60 %

in

20

minutes. The time required for the completion of

90 %

of the reaction is approx

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 39

The half life of a second order process,

2 A \to

products, is

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 42

Arrhenius parameter

(A)

depends on

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 50

The rate constant, the activation energy and Arrhenius parameter of a chemical reaction at

25 ° C

are

x, 10 x kJ / mol

and

2 x s^{- 1}

. Value of rate constant as

T \to \infty

is

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 4

For the reaction,

2 NO (g) + O_{2} (g) ⟶ 2 NO (g)

, the volume is suddenly reduced to half of its value by increasing pressure on it. If reaction is of first order w.r.t.

O_{2}

and second order w.r.t. NO, the rate of the reaction will