Chemical Kinetics Test

Result

Chemical Kinetics Test - 34

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Weekly Quiz Competition

Question 1
4 / -1

For a first order reaction A → Products, the concentration of A changes from 0.1 M to 0.025 M in 40 minutes. The rate of reaction when the concentration of A is 0.01 M is

A
1.73 × 10^-4 M min^-1

B
1.73 × 10^-5 M min^-1

C
3.47 × 10^-4 M min^-1

D
3.47 × 10^-5 M min^-1

Solution
Question 2
4 / -1

In the reaction 2N₂O₅ → 4NO₂ + O₂ , initial pressure is 500 atm and rate constant K is 3.38 10^-5 sec^-1. After 10 minutes the final pressure of N₂O₅ is

A
490 atm

B
250 atm

C
480 atm

D
420 atm

Solution
Question 3
4 / -1

The rate constants K₁ and K₂ for two different reactions are 10¹⁶.e^-2000/T and 10¹⁵.e^-1000/T respectively. The temperature at which K₁ = K₂ is

A
1000 K

B

C
2000 K

D

Solution
Question 4
4 / -1

A

B

C

D

Solution
Question 5
4 / -1

A
0.10 mol L^-1 s^-1

B
2.6 × 10^-2 mol L^-1 s^-1

C
5.2 × 10^-2 mol L^-1 s^-1

D
6.5 × 10^-3 mol L^-1 s^-1

Solution
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

A
1 × 10^-4

B
5 × 10^-4

C
1 × 10^-3

D
5 × 10^-3

Solution
Question 8
4 / -1

A

B

C

D

Solution
Question 9
4 / -1

For a reaction 1/2A → 2B, rate of disappearance of ‘A’ is related to the rate of appearance of B by the expression

A

B

C

D

Solution
Question 10
4 / -1

A

B

C

D

Solution