Chemical Kinetics Test

Result

Chemical Kinetics Test - 33

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Weekly Quiz Competition

Question 1
4 / -1

Rate of chemical reaction can be kept constant...

A
by stirring the components

B
by keeping the temperature constant

C
both of the above

D
none of the above
Question 2
4 / -1

The one which is unimolecular reaction is

A

B

C

D

Solution
Question 3
4 / -1

For the reaction H_2(g) + Br_2(g) → 2HBr_(g) the experimental data suggests, rate = K[H₂][Br₂]^1⁄2.The molecularity and order of reaction respectively for the reaction is

A
2, 2

B

C

D

Solution
Question 4
4 / -1

The rate of reaction for Cl₃ C CHO + NO → CHCl₃ + NO + CO is given by equation, rate = K[Cl₃ C CHO][NO]. If concentration is expressed in mole litre^-1, the unit of K are

A
litre² mole^-2 sec^-1

B
mole litre^-1 sec^-1

C
litre mole^-1 sec^-1

D
sec^-1
Question 5
4 / -1

According to the Arrhenius equation a straight line is to be obtained by plotting the logarithm of the rate constant of a reaction against ...

A
T

B
log T

C
1/T

D
log 1/T
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

A
sec^-1

B
sec^-1 mole L^-1

C
sec^-1 mole^-1 L

D
sec^-1 mole^-2 L²
Question 8
4 / -1

The rate of the gaseous reaction is equal to K[A][B]. The volume of the vessel is suddenly reduced to one forth of the initial volume. The rate of reaction would be ...

A

B

C

D
Question 9
4 / -1

For reaction Y₂ + 2Z → product, rate controlling step is Y + 1⁄2 Z → Q. If the concentration of Z is doubled, the rate of reaction will be

A
remain the same

B
become four times

C
become 1.414 times

D
become double

Solution
Question 10
4 / -1

The rate law for a reaction given by Rate = K[A]ⁿ [B]^m. On doubling the concentration of A and halving the concentration of B, the ratio of the new rate of the earlier rate of the reaction will be as

A
m + n

B
n - m

C
2^{(n - m)}

D

Solution