Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 14

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For a first order reaction $A \to B + 2 C + 3 D$ ( $A$ is optically inactive but $B, C$ and $D$ are dextrorotatory), the optical rotation at time $t$ and $\infty$ are $r_{t}$ and $r_{\infty}$ respectively, the expression for rate constant is:

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Important Questions on Chemical Kinetics

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 15

In the presence of acid, the initial concentration of cane sugar was reduced from

0.2 M

to

0.1 M in 5 hrs and to 0.05 M in 10 hrs

. The reaction must be of :

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 18

The reaction

A (g) + 2 B (g) \to C (g) + D (g)

is an elementary process. In an experiment, the initial partial pressure of

A

and

B

are

P_{A} = 0.60

and

P_{B} = 0.80

atm. When

P_{C} = 0.2

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

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 19

In the following reaction, how is the rate of appearance of the underlined product related to the rate of disappearance of the underlined reactant?

${BrO}_{3}^{-} (aq) + \underline{5 {Br}^{-}} (aq) + 6 H^{+} (aq) ⟶ 3 {Br}_{2} (l) + 3 H_{2} O (l)$

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 20

2 A \to B + C

would be a zero order reaction when

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 21

At room temperature, the reaction between

NO

and

O_{2}

to give

{NO}_{2}

is fast, while that between

CO

and

O_{2}

is slow. It is due to:

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 24

t_{1 / 2} =

constant confirms the first order of the reaction as one

a^{2} t_{1 / 2} =

constant confirms that the reaction is of :

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 25

For which of the following reactions, the units of rate constant and rate of reaction are same?

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Alpha Question Bank for Engineering: Chemistry>Chapter 10 - Chemical Kinetics>Exercise-4>Q 26

Half - life period of second order reaction is