EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 10 - Chemical Kinetics>Assam CEE 2018>Q 1

EASY

Assam CEE

IMPORTANT

Earn 100

Hydrolysis of ester is a first order reaction. For this reaction, the correct statement is

50% studentsanswered this correctly

Important Questions on Chemical Kinetics

EASY

Assam CEE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 10 - Chemical Kinetics>Assam CEE 2018>Q 2

The rate constant for the reaction

2 N_{2} O_{5} \to 4 {NO}_{2} + O_{2}

is

3.0 \times 10^{- 4} s^{- 1} .

If the rate is

2.4 \times 10^{- 5} {mol}^{- 1} s^{- 1}

at room temperature, then the concentration of

N {}_{2}{O_{5}}

in

mol L^{- 1}

is

EASY

Assam CEE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 10 - Chemical Kinetics>Assam CEE 2017>Q 3

75 %

of a first-order reaction is completed in

32

minutes. The

t_{1 / 2}

of the reaction is:

MEDIUM

Assam CEE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 10 - Chemical Kinetics>Assam CEE 2016>Q 4

If the time required for

99 %

completion of a first- order reaction is

t_{1}

and the time required for

90 %

completion of the same reaction is

t_{2}

, then what will be the correct relation between

t_{1}

and

t_{2} ?