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Standard X
Chemistry
Industrial Preparation: Contact process
On increasing...
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On increasing temperature from 200 K to 220 K rate of reaction A increases 3 times and rate of reaction B increases 9 times then correct relationship between activation energy of A and B-- 1. Ea = 3Eb 2.3Ea = Eb 3.Eb = 2Ea 4. Ea = 2 Eb
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Q.
On increasing temperature from
200
K
to
220
K
rate of reaction
A
increases by
3
times and rate of reaction
B
increases by
9
times then correct relationship between activation energy of
A
and
B
is :-
Q.
On increasing temperature from 200K to 220K, rate constant of reaction A increases by 3 times and rate constant of reaction B increases by 9 times then correct relationship between activation energy of A and B is:
Q.
Two reactions,
A
→
p
r
o
d
u
c
t
s
and
B
→
p
r
o
d
u
c
t
s
, have rate constant
K
a
and
K
b
at temperature T and activation energies
E
a
and
E
b
respectively. If
K
a
>
K
b
and
E
a
>
E
b
and assuming that A for both the reactions is same then:
Q.
Two reactions,
A
→
Products and
B
→
Products, have rate constants
k
A
and
k
B
at temperature
T
and activation energies
E
A
and
E
B
respectively. If
k
A
>
k
B
and
E
A
<
E
B
and assuming that collision frequency for both the reactions is same, then:
Q.
The binding energies of the atom of elements A and B are
E
a
and
E
b
respectively. Three atoms of the element B fuse to give one atom of element A. This fusion process is accompanied by release of energy
e
. Then
E
a
,
E
b
are related to each other as
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