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Byju's Answer
Standard XII
Physics
Second Law of Motion
The kinetic d...
Question
The kinetic datas for the reaction:
2
A
+
B
2
→
2
A
B
are as given below:
[
A
]
m
o
l
L
−
1
[
B
2
]
m
o
l
L
−
1
Rate mol
L
−
1
m
i
n
−
1
0.5
1.0
2.5
×
10
−
3
1.0
1.0
5.0
×
10
−
3
0.5
2.0
1
×
10
−
2
Hence the order of reaction with respect to A and
B
2
are, respectively:
A
1 and 2
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B
2 and 1
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C
1 and 1
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D
2 and 2
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Solution
The correct option is
B
1 and 2
2.5
×
10
−
3
=
k
[
0.5
]
a
[
1.0
]
β
.
.
.
.
.
(
1
)
5
×
10
−
3
=
k
[
1.0
]
a
[
1.0
]
β
.
.
.
.
.
.
(
2
)
1
×
10
−
2
=
k
[
0.5
]
a
[
2.0
]
β
.
.
.
.
(
3
)
Dividing equation (1) and (2),
1
2
=
[
1
2
]
a
Hence
a
=
1
.
Dividing equation (1) and (3),
2.5
×
10
−
3
1
×
10
−
2
=
(
1.0
2.0
)
β
1
4
=
(
1
2
)
β
⇒
β
=
2.
Suggest Corrections
0
Similar questions
Q.
The kinetic datas for the reaction :
2
A
+
B
2
→
2
A
B
are as given below:
[
A
]
m
o
l
L
−
1
[
B
2
]
m
o
l
L
−
1
Rate
m
o
l
L
−
2
m
i
n
−
1
2
1.0
2.5
×
10
−
3
1.0
1.0
2.5
×
10
−
3
2
2.0
1
×
10
−
2
Hence the order of reaction w.r.t
A
and
B
2
are _____ respectively.
Q.
The kinetic datas for the reaction :
2
A
+
B
2
→
2
A
B
arre as given below:
[
A
]
(
m
o
l
L
−
1
)
[
B
2
]
(
m
o
l
L
−
1
)
R
a
t
e
(
m
o
l
L
−
1
m
i
n
−
1
)
0.5
1.0
2.5
×
10
−
3
1.0
1.0
5.0
×
10
−
3
0.5
2.0
1
×
10
−
2
Hence the order of reaction with respect to
A
and
B
2
are respectively :
Q.
The experimental data for the reaction,
2
A
+
B
2
⟶
2
A
B
, is as follows:
Expt. No.
[
A
]
(
m
o
l
L
−
1
)
[
B
2
]
(
m
o
l
L
−
1
)
Rate
(
m
o
l
L
−
1
s
−
1
)
1.
0.50
0.50
1.6
×
10
−
4
2.
0.50
1.00
3.2
×
10
−
4
3.
1.00
1.00
3.2
×
10
−
4
Write the most probable equation for the rate of reaction giving reason for your answer.
Q.
The experimental data for the reaction
2
A
+
B
2
⟶
2
A
B
, is:
Expt. No.
[
A
]
[
B
2
]
Rate
(
m
o
l
L
−
1
s
−
1
)
1.
0.50
0.50
1.6
×
10
−
4
2.
0.50
1.00
3.2
×
10
−
4
3.
1.0
1.00
3.2
×
10
−
4
The rate equation for the above data is:
Q.
Expt.
No.
[
A
]
(
m
o
l
L
−
1
)
[
B
]
(
m
o
l
L
−
1
)
Initial rate
(
m
o
l
L
−
1
s
−
1
)
300K
320K
(1)
2.5
×
10
−
4
3.0
×
10
−
5
5.0
×
10
−
4
2.0
×
10
−
3
(2)
5.0
×
10
−
4
6.0
×
10
−
5
4.0
×
10
−
3
.
.
.
(3)
1.0
×
10
−
3
6.0
×
10
−
5
1.6
×
10
−
2
.
.
.
From the data given above for the reaction between
A
and
B
, calculate the following:
(i) The order of the reaction with respect to
A
and with respect to
B
,
(ii) The rate constant at
300
K
(iii) The energy of activation and
(iv) The pre-exponential factor.
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