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Byju's Answer
Standard X
Chemistry
Factors Affecting the Rate of a Chemical Reaction
The rate of c...
Question
The rate of change in concentration of C in the reaction
2
A
+
B
→
2
C
+
3
D
was reported as
1
m
o
l
e
l
i
t
r
e
−
1
sec
−
1
. Calculate the reaction rate?
A
0.05
m
o
l
l
i
t
r
e
−
1
s
e
c
−
1
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B
0.01
m
o
l
l
i
t
r
e
−
1
s
e
c
−
1
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C
0.5
m
o
l
l
i
t
r
e
−
1
s
e
c
−
1
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D
none
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Solution
The correct option is
D
0.5
m
o
l
l
i
t
r
e
−
1
s
e
c
−
1
As we know,
r
=
1
2
d
[
C
]
d
t
=
1
2
×
1
=
0.5
m
o
l
l
i
t
r
e
−
1
s
e
c
−
1
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0
Similar questions
Q.
The rate of change in concentration of C in the reaction
2
A
+
B
→
2
C
+
3
D
was reported as
1.0
m
o
l
l
i
t
r
e
−
1
s
e
c
−
1
.
Calculate the reaction rate.
Q.
The rate of first order reaction,
A
→
P
r
o
d
u
c
t
s
is
7.5
×
10
−
4
m
o
l
l
i
t
r
e
−
1
s
e
c
−
1
. If the concentration of
A
is
0.5
m
o
l
l
i
t
r
e
−
1
, the rate constant is:
Q.
The rate constant
(
K
)
for the reaction
2
A
+
B
→
product, was found to be
2.5
×
10
−
5
l
i
t
r
e
m
o
l
−
1
s
e
c
−
1
after
15
s
e
c
,
2.60
×
10
−
5
l
i
t
m
o
l
−
1
s
e
c
−
1
after
30
s
e
c
and
2.55
×
10
−
5
l
i
t
m
o
l
−
1
s
e
c
−
1
after
50
s
e
c
. The order of reaction is:
Q.
The rate constant (K) for the reaction,
2
A
+
B
→
Product was found to be
2.5
×
10
−
5
litre
m
o
l
−
1
s
e
c
−
1
after 15 sec,
2.60
×
10
−
5
l
i
t
r
e
m
o
l
−
1
s
e
c
−
1
after 30 sec and
2.55
×
10
−
5
l
i
t
r
e
m
o
l
−
1
s
e
c
−
1
after 50 sec. The order of reaction is:
Q.
The rate constant of the reaction :
2
A
+
B
→
C
is
2.57
×
10
−
5
l
t
.
m
o
l
−
1
s
e
c
−
1
after 10 sec,
2.65
×
10
−
5
l
t
.
m
o
l
−
1
s
e
c
−
1
after 20 sec and
2.55
×
10
−
5
l
t
.
m
o
l
−
1
s
e
c
−
1
after 30 sec. The order of the reaction is :
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