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Byju's Answer
Standard XII
Chemistry
Graham's Law of Effusion
The experimen...
Question
The experimental data for the reaction,
2
A
+
B
2
→
2
A
B
are as follows. Write probable rate expression;
[
A
]
m
o
l
l
i
t
r
e
−
1
[
B
2
]
m
o
l
l
i
t
r
e
−
1
R
a
t
e
×
10
4
m
o
l
l
i
t
r
e
−
1
sec
−
1
0.50
0.50
1.6
0.50
1.00
3.2
1.00
1.00
3.2
Open in App
Solution
Rate of reaction
=
K
[
A
]
m
[
B
2
]
n
Now, according to given data,
Thus
1.6
×
10
4
=
K
(
0.5
)
m
(
0.5
)
n
-------(i)
3.2
×
10
4
=
K
(
0.5
)
m
(
1.0
)
n
-----------(ii)
3.2
×
10
4
=
K
(
1.0
)
m
(
1.0
)
n
-----------(iii)
By (i) and (ii)
n
=
1
By (ii) and (iii)
m
=
0
∴
r
a
t
e
=
d
x
d
t
=
K
[
B
2
]
1
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Similar questions
Q.
The experimental data for the reaction;
2
A
+
B
2
→
2
A
B
, are as follows. The probable rate expression is:
[A]
[
B
2
]
Rate
m
o
l
l
i
t
r
e
−
1
m
o
l
l
i
t
r
e
−
1
m
o
l
l
i
t
r
e
−
1
s
e
c
−
1
0.50
0.50
1.6
×
10
−
4
0.50
1.0
3.2
×
10
−
4
1.00
1.0
3.2
×
10
−
4
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.
The experimental data for the reaction
2
A
+
B
2
→
2
A
B
is as follows
[A]
[
B
2
]
Rate
0.50M
0.50M
1.6
×
10
−
4
s
−
1
0.50M
1.00M
3.2
×
10
−
4
s
−
1
1.00M
1.00M
3.2
×
10
−
4
s
−
1
The most probable equation for the rate of the reaction is :
Q.
Rate constant
k
=
2.303
min
−
1
for a particular reaction. The initial concentration of the reaction is
1
mol litre
−
1
, then the rate of reaction after
1
minute is:
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