For the reaction, 2 A + B → products, when the concentration of A and B both were doubled, the rate of the reaction increased from 0.3 m o l L - 1 s - 1 to 2.4 m o l L - 1 s - 1 . When the concentration of A alone is doubled, the rate increased from 0.3 m o l L - 1 s - 1 to 0.6 m o l L - 1 s - 1 . Which one of the following statements is correct?

Order of the reaction with respect to B is 2

Total order of the reaction is 4

Order of the reaction with respect to A is 2

Order of the reaction with respect to B is 1

E M B I B E

Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 75

HARD

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IMPORTANT

Earn 100

The decomposition ${NH}_{3}$ gas on a heated tungsten surface gave the following results:

Initial pressure $(mm)$ $65$ $105$ $y$ $185$

Half- life $(\sec)$ $290$ $x$ $670$ $820$

Calculate approximately the values of $x$ .

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Important Questions on Chemical Kinetics

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 76

In the reaction,

{NH}_{4} {NO}_{2} (aq)

\to N_{2} (g) + 2 H_{2} O (l)

, the volume of

N_{2}

after

20 \min

and after a long time are

40 ml

and

70 ml

, respectively. The value of its rate constant is

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 77

The rate of which reactions increase with temperature?

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 78

For a zero order reaction, which of the following statement is false:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 79

A large increase in the rate of a reaction, for a rise in temperature, is due to

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 81

According to collision theory of reaction rates

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 82

The activation energy for the forward reaction

X \to Y

is

60 kJ {mol}^{- 1}

and

ΔH

is

- 20 kJ {mol}^{- 1}

. The activation energy for the backward reaction

Y \to X

is:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 83

For producing the effective collisions, the colliding molecules must possess:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 84

For the first-order reaction. $X_{(s)} ⟶ X_{(g)}$ the monitoring is done by observing the volume:

time	$t$	$\infty$
volume	$V_{t}$	$V_{\infty}$

The rate constant is given by:

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Initial pressure $(mm)$	$65$	$105$	$y$	$185$
Half- life $(\sec)$	$290$	$x$	$670$	$820$

The decomposition NH3 gas on a heated tungsten surface gave the following results: Initial pressure (mm) 65 105 y 185 Half- life (sec) 290 x 670 820 Calculate approximately the values of x.

Important Questions on Chemical Kinetics

Learn and Prepare for any exam you want !

The decomposition ${NH}_{3}$ gas on a heated tungsten surface gave the following results:

Initial pressure $(mm)$ $65$ $105$ $y$ $185$

Half- life $(\sec)$ $290$ $x$ $670$ $820$

Calculate approximately the values of $x$ .