NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 2

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IMPORTANT

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The order of the following reaction of hydrolysis of sucrose
$C_{12} H_{22} O_{11} (s) + H_{2} O (l) \overset{H^{+}}{⟶} C_{6} H_{12} O_{6} (aq) + C_{6} H_{12} O_{6} (aq)$

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Important Questions on Chemical Kinetics

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IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 3

The unit of rate constant,

k

[when the concentrations are expressed in

mol L^{-}

and time in seconds

(s)

] for zero order reaction is :

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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 4

In the experimental determination of order of reaction by graphical method, the order of reaction can be determined by drawing a graph between

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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 5

The temperature dependence of reaction rate,

k

can be represented with the help of Arrhenius equation :

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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 6

In a reversible reaction, the rates of reaction on both sides are:

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NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 7

For a first order reaction, we have

k = 100 s^{- 1} .

The time of completion of

50 %

reaction is

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IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 8

The rate of reaction between

A

and

B

increases by a factor of

100

. When the concentration of

A

is increased

10

fold, the order of reaction with respect to

A

is

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IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 9

The rate of a reaction,

A + B + C \to

products is given by;

r = k {[A]}^{1 / 2} {[B]}^{1 / 3} {[C]}^{1 / 4} .

The order of reaction is

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IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 10

The first order rate constant for the decomposition of

N_{2} O_{5}

is

6 \times 10^{- 4} \sec^{-}

. The half-life period for the decomposition in seconds is