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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-3>Q 71

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For an elementary chemical reaction,

$A_{2} ⇌_{K_{- 1}}^{K_{1}} 2 A$ the expressions for $\frac{d [A]}{dt}$

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Important Questions on Chemical Kinetics

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-3>Q 72

If a reaction follows the Arrhenius equation, the plot

lnk

vs

\frac{1}{(RT)}

gives straight line with a gradient

(- y)

unit. The energy required to activate the reactant is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-3>Q 74

Decomposition of

X

exhibits a rate constant of

0 .05 μg / year

. How many years are required for the decomposition of

5 μg

of

X

into

2 .5 μg

?

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 1

Which energy diagram corresponds to exothermic reaction and highest value of the rate constant?

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 2

The experimental observations for the following reaction are given below:
$P + Q \to$ Product.

$[P] / M$	$[Q] / M$	Initial Rate $/ {mols}^{- 1}$
$0.2$	$0.5$	$8 \times 10^{- 3}$
$0.4$	$0.5$	$3.2 \times 10^{- 2}$
$0.2$	$0.25$	$4 \times 10^{- 3}$

The order of this reaction is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 3

The reaction

A (g) + 2 B (g) ⟶ C (g)

is an elementary reaction. In an experiment involving this reaction, the initial partial pressures of

A

and

B

are

P_{A} = 0.40

atm and

P_{B} = 1.0

atm respectively. When

P_{C} = 0.3

atm, the rate of the reaction relative to the initial rate is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 4

The rate law for the dimerisation of

{NO}_{2}

is

\frac{- d [{NO}_{2}]}{dt} = k {[{NO}_{2}]}^{2}

.
Which of the following changes will change the value of the specific rate constant,

k

?

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 5

Which of the following statement is incorrect?

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 7

Which of the following statement is incorrect?

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For an elementary chemical reaction, A2⇌K-1K12A the expressions for dAdt

Important Questions on Chemical Kinetics

Learn and Prepare for any exam you want !

For an elementary chemical reaction,

$A_{2} ⇌_{K_{- 1}}^{K_{1}} 2 A$ the expressions for $\frac{d [A]}{dt}$