Chemical Kinetics Test

Result

Chemical Kinetics Test - 39

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Weekly Quiz Competition

Question 1
4 / -1

Temperature dependent equation can be written as

A
ln k = ln A - e^E_a/RT

B
ln k = ln A + e^E_a/RT

C
ln k = ln A - e^RT/E_a

D
None of these

Solution
Question 2
4 / -1

For an endothermic reaction, where ∆H represents the enthalpy of the reaction in kJ/mol, the minimum value for the energy of activation will be

A
less than ∆H

B
zero

C
more than ∆H

D
equal to ∆H

Solution
Question 3
4 / -1

For a first order reaction, a plot of log (a – x) against time is a straight line with a negative slope equal to

A

B

C

D

Solution
Question 4
4 / -1

A

B

C

D

Solution
Question 5
4 / -1

Which one of the following equation is correct for the reaction:
N₂(g) + 2H₂(g) → 2NH₃(g)

A

B

C

D

Solution
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

For a chemical reaction 2X + Y → Z, the rate of appearance of Z is 0.05 molL^-1 per min. The rate of disappearance of X will be

A
0.05 mol L^-1 per hour

B
0.05 mol L^-1 per min

C
0.1 mol L^-1 min^-1

D
0.25 mol L^-1 per min

Solution
Question 8
4 / -1

A
4 mm min^-1

B
8 mm min^-1

C
16 mm min^-1

D
2 mm min^-1

Solution
Question 9
4 / -1

The rate of a gaseous reaction is equal to k [A][B]. The volume of the reaction vessel containing these gases is suddenly reduced to one-fourth of the initial volume. The rate of the reaction would be

A
1/16

B
16/1

C
1/8

D
8/1
Question 10
4 / -1

The rate law for a reaction between the substances A and B is given by Rate =k [A]ⁿ[B]ⁿ. On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as

A
m + n

B
(n – m)

C

D

Solution