Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 24

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Two-third life for a first-order reaction is $55$ minutes. The value of its velocity constant is nearly

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Important Questions on Chemical Kinetics

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Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 25

The unit of actual rate constant of ester hydrolysis in basic medium is:

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Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 26

The time taken for

200 M

of a reactant to reduce to

100 M

is

0.1

second and to reduce from

50 M

to

25 M

is

0.4

seconds. Then what is the order of the reaction?

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Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 27

When concentration of the reactant

A

in the reaction

A \to B

increases to

8

times, then rate increases to

2

times only. The order of reaction is:

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Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 28

The concentration of $R$ in the reaction $R \to P$ was measured as a function of time and the following data was obtained:

$[R] 1.0 0.75 0.40 0.10 Time 0.0 0.05 0.12 0.18$

What is the order of reaction?

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Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 29

The order of a reaction for which a linear line (with a negative slope) is obtained in a graph of

\log (a - x)

vs

t

is:

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Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 30

The half-life period for catalytic decomposition of

{AB}_{3}

at

50 mm Hg

is found to be

4 hrs

and at

75 mm Hg

is

2 hrs

. What is the order of the reaction?

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Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 31

According to Arrhenius equation, the graph of

\log k

vs

(\frac{1}{T})

has slope equal to:

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Chemistry Crash Course NEET>Chapter 10 - Chemical Kinetics>Level 2>Q 32

The rate constant for an elementary reaction

{CO}_{2} + {OH}^{-} \to {HCO}_{3}^{-}

in the aqueous solution is

4 \times 10^{- 3} L {mol}^{- 1} s^{- 1} .

The number of moles of

{HCO}_{3}^{-}

formed per second when

[{CO}_{2}] & [{OH}^{-}]

are

10^{- 6}

and

10^{- 1} mol

{litre}^{- 1}

: