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Byju's Answer
Standard XII
Mathematics
Differentiation under Integral Sign
For 3A —> xB,...
Question
For 3A ---> xB, d[B]/dt is found to be 2/3rd of d[A]/dt. Then, the value of x is A)1.5 B)3 C)1/2 D)2
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Similar questions
Q.
For the reaction
1
2
A
→
2
B
, the rate of disappearance of ‘A’ is related to the rate of appearance of ‘B’ by the expression:
Q.
For the reaction :
a
A
+
b
B
→
c
C
+
d
D
Rate
=
d
x
d
t
=
−
1
a
d
[
A
]
d
t
=
−
1
b
d
[
B
]
d
t
=
−
1
c
d
[
C
]
d
t
=
−
1
d
d
[
D
]
d
t
For reaction
3
B
r
O
⊖
→
B
r
O
⊖
3
+
2
B
r
⊖
, the value of rate constant at
80
∘
C
in the rate for
−
−
d
[
B
r
O
⊖
]
d
t
was found to be
0.054
L
m
o
l
−
1
s
−
1
. The rate constant (k) for the reaction in terms of
d
[
B
r
O
⊖
3
]
d
t
is :
Q.
For a reaction
1
2
A
→
2
B
rate of disappearance of A is related to rate of appearance of B by the expression
Q.
For the reaction
2
A
+
B
→
C
+
D
,
−
d
[
A
]
d
t
=
k
[
A
]
2
[
B
]
. The expression for
−
d
[
B
]
d
t
will be:
Q.
For the reaction,
A
+
2
B
⟶
C
+
D
,
d
[
A
]
d
t
=
k
[
A
]
[
B
]
2
.
The expression for
d
[
B
]
d
t
will be:
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