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Byju's Answer
Standard XII
Chemistry
Introduction
C 2 H 6 A ...
Question
C
2
H
6
s
u
n
l
i
g
h
t
−
−−−−−
→
1
M
o
l
e
C
l
2
A
a
l
c
.
K
O
H
−
−−−−−
→
B
200
0
C
−
−−−
→
H
2
/
N
i
C
.
Here ‘C’ is :
A
C
2
H
6
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B
C
2
H
5
C
l
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C
C
2
H
4
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D
C
4
H
10
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Solution
The correct option is
A
C
2
H
6
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0
Similar questions
Q.
K
p
values for,
C
2
H
4
+
H
2
⇌
C
2
H
6
, is
5
×
10
18
a
t
m
−
1
and
K
p
for,
C
2
H
2
+
H
2
⇌
C
2
H
4
, is
5
×
10
26
a
t
m
−
1
at
50
. If
K
p
for :
2
H
2
+
C
2
H
2
⇌
C
2
H
6
is
x
×
10
45
, then
10
x
is__________.
Q.
Calculate the enthalpy of hydrogenation for the reaction ,
C
2
H
4
+
H
2
⟶
C
2
H
6
. Given that the enthalpy of combustion of Ethane is
C
2
H
4
;
C
λ
H
6
.
&
H
2
a
r
e
−
140.1
K
g
,
−
1550
K
g
&
−
286.0
K
g
|
m
o
l
Q.
For the gas phase reaction,
C
2
H
4
+
H
2
⇌
C
2
H
6
[
Δ
H
o
=
−
136.8
k
J
m
o
l
−
1
]
, is carried out in vessel, the equilibrium concentration of
C
2
H
4
can be increased by:
Q.
I
. The formulas of ethane, ethyne and ethene are
C
2
H
6
,
C
2
H
4
and
C
2
H
2
.
Because :
I
I
. Alkanes contain only
C
−
C
and
C
−
H
bonds, alkenes may contain triple bonds between carbon atoms and alkynes may contain double bonds between carbon atoms.
Q.
For the gas phase reaction,
C
2
H
4
+
H
2
⇌
C
2
H
6
,
(
Δ
H
=
−
32.7
k
c
a
l
)
carried out in a vessel, the equilibrium concentration of
C
2
H
4
can be increased by
:
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