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JEEMAIN and NEET
>>
Chemistry
>>
Chemical Kinetics
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Q)
At
150
o
C
the decomposition of acetaldehyde to methane is first order reaction. If rate constant for reaction at
750
o
C
is
0.05
m
−
1
, how long does it take a concentration of
0.04
m
o
l
L
−
1
of acetaldehyde to reduce concentration of
0.03
m
o
l
L
−
1
?
(
a
)
2.75
m
i
n
(
b
)
3.75
m
i
n
(
c
)
4.75
m
i
n
(
d
)
5.75
m
i
n
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