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Chemistry
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Chemical Kinetics
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NEET Questions
Chemical Kinetics
Chemistry
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JEE Mains
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Easy Qs
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Hard Qs
>
Activation energy of a reaction:
A
is independent of temperature
B
increase with temperature
C
gets double in every 10 degree raise in temperature
D
decrease with temperature
Medium
NEET
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>
The decomposition of phosphine
(
P
H
3
)
on tungsten at low pressure is a first-order reaction. It is because the:
A
rate is independent of the surface coverage
B
rate of decomposition is very slow
C
rate is proportional to the surface coverage
D
rate is inversely proportional to the surface coverage
Hard
NEET
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>
A first order reaction has a specific reaction rate of
1
0
−
2
s
e
c
−
1
. How much time will it take for
2
0
g
of the reactant to reduce to
5
g
?
A
6
9
3
.
0
s
e
c
B
2
3
8
.
6
s
e
c
C
1
3
8
.
6
s
e
c
D
3
4
6
.
5
s
e
c
Hard
NEET
View solution
>