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Chemical Kinetics
Short Answer Type
101.
(a)Show graphically how the rate of a first order reaction with only one reactant depends upon the concentration of the reactant.
(b) Give one example of a first order reaction.
248 Views
102.
A possible mechanism for the reaction
If the second step is the rate determining step, what is the rate law for this reaction?
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103.
Express the relationship between the rate of production of water and the rate of disappearance of oxygen in the following reaction:
2
H
2
+
O
2
→
2
H
2
O
Rate of production of water
=
1
2
×
d
H
2
O
dt
Rate of disappearance of oxygen
=
-
d
O
2
dt
∴
=
-
d
O
2
dt
=
1
2
×
d
H
2
O
dt
.
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104.
Express the relationship between the rate of production of NOCl and the rate of disappearance of chlorine in the following reaction:
2
NO
+
Cl
2
→
2
NOCl
.
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105.
Explain the relationship between the rate of production of iodine and rate of disappearance of hydrogen iodide in the following reaction?
2
HI
→
H
2
+
I
2
.
126 Views
106.
Explain the relationship between the rate of production of oxygen and the rate of disappearance of hydrogen peroxide (H
2
O
2
) in the following reaction:
2
H
2
O
2
→
2
H
2
O
+
O
2
102 Views
107.
Starting with differential rate law equation for a first order reaction, derive the integrated rate law equation for a first order reaction. How is it related to the rate constant?
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108.
What is the initial rate method for the determination of a reaction rate when more than one reactant is present?
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109.
For the reaction:
3
H
2
(
g
)
+
N
2
(
g
)
→
2
NH
3
(
g
)
express the rate of the reaction in terms of
-
d
H
2
/
dt
,
-
d
N
2
/
dt
and
d
NH
3
dt
.
154 Views
110.
For the reaction:
NO
2
(g) + CO (g) → CO
2
(g) + NO(g)
the experimentally determined rate expression between 440 K is rate = k[NO
2
]
2
. What mechanism can be proposed for the above reaction?
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