Chemical Kinetics Test

Result

Chemical Kinetics Test - 15

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Weekly Quiz Competition

Question 1
4 / -1

A

B

C

D

Solution
Question 2
4 / -1

The rate of a chemical reaction doubles for every 10^oC rise in temperature. If the temperature is increased by 60^oC, the rate of reaction increases by about

A
20 times

B
32 times

C
64 times

D
128 times
Question 3
4 / -1

The concentration of a reactant in a solution falls (i) from 0.2 to 0.1 M in 2 hrs (ii) from 0.2 to 0.005 M in 4 hrs. The order of the hydrolysis of the reactant is

A
zero

B
two

C
one

D
half
Question 4
4 / -1

Rate of reation is defined as

A
decrease in the concentration of a reactant

B
increase in the concentration of a product

C
change in the concentration of any one of the reactants or products per unit time.

D
all the above three are correct
Question 5
4 / -1

______ does not affect the rate of reaction.

A
size of the vessel

B
amount of the reactants

C
physical state of reactants

D
ΔH of reaction
Question 6
4 / -1

In the reaction K₁ and K₂ are the velocity constants for the forward and backward reaction respectively. The equilibrium constant is

A

B

C

D
none of the above
Question 7
4 / -1

Which of the following is a reaction of zero order ?

A

B

C

D

Solution
Question 8
4 / -1

A reaction involving two different reactants can never be a ....

A
bimolecular reaction

B
Unimolecular reaction

C
first order reaction

D
second order reaction
Question 9
4 / -1

For a reaction 3A ηProducts, the order of reaction

A
3

B
1,2 or 3

C
zero

D
any value between 1 and 3
Question 10
4 / -1

The rate law of a reaction is rate = K [A]² [B]. On doubling the concentration of both A and B the rate x will become ...

A
x³

B
8x

C
4x²

D
9x

Solution