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 59

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The rate constant of the reaction $A \to 2 B$ is $1.0 \times 10^{- 3} mol {lit}^{-1} \min^{- 1}$ , if the initial concentration of $A$ is $1.0 mol {lit}^{- 1}$ what would be the concentration of $B$ after $100$ minutes.

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Important Questions on Chemical Kinetics

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IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 60

Two substances

A (t_{1 / 2} = 5 \min)

and

B (t_{1 / 2} = 15 \min)

are taken in such a way that initially

[A] = 4 [B]

. What is the time after which both the concentration will be equal? (Assuming reactions are of

1^{st}

order)

HARD

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 61

In a first order reaction, the reactant substance has half-life period of ten minutes. What fraction of the substance will be left after an hour the reaction has occurred?

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 62

A reaction, which is second-order, has a rate constant of

0.002 L {mol}^{- 1} s^{- 1}

. If the initial concentration of the reaction is

0.2 M

. how long will it take for the concentration to become

0.0400 M

?

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 63

Which is not true for a second-order reaction?

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 64

The data for the reaction $A + B \to C$ is

Experiment	$[A]_{0}$	$[B]_{0}$	Initial rate
$1$ .	$0.012$	$0.035$	$0.10$
$2$ .	$0.024$	$0.035$	$0.80$
$3$ .	$0.012$	$0.070$	$0.10$
$4$ .	$0.024$	$0.070$	$0.80$

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 65

A + B ⟶

Product,

\frac{dx}{dt} = k {[A]}^{a} [B]^{b}

. If

(\frac{dx}{dt}) = k

, then order is ______.

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 66

A \to

Product and

(\frac{dx}{dt}) = k [A]^{2}

. If

\log (\frac{dx}{dt})

is plotted against

\log [A]

, then the graph is of the type:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 1>Q 67

For the reaction $A ⟶$ Products, $- \frac{d [A]}{dt} = k$ and at a different time interval, $[A]$ values are

Time	$0$	$5 \min$	$10 \min$	$15 \min$
$[A]$	$20 mol$	$18 mol$	$16 mol$	$14 mol$

At $20$ minute, the rate will be

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The rate constant of the reaction A→2B is 1.0×10-3mol lit-1 min-1, if the initial concentration of A is 1.0 mol lit-1 what would be the concentration of B after 100 minutes.

Important Questions on Chemical Kinetics

Learn and Prepare for any exam you want !

The rate constant of the reaction $A \to 2 B$ is $1.0 \times 10^{- 3} mol {lit}^{-1} \min^{- 1}$ , if the initial concentration of $A$ is $1.0 mol {lit}^{- 1}$ what would be the concentration of $B$ after $100$ minutes.