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Byju's Answer
Standard XII
Chemistry
Chemical Properties of Aromatic Compounds
Ethyne Red ho...
Question
Ethyne
Red hot Fe
−
−−−−−
→
X, X is
A
Hexane
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B
Cyclohexane
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C
Benzene
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D
1,3,5-hexatriene
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Solution
The correct option is
C
Benzene
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0
Similar questions
Q.
Number of geometrical isomers possible in 1,3,5-hexatriene is x and number of possible products (without stereochemistry) when 1,3,5-hexatriene reacts with 1 equivalent of HCl is y. Then find the
value of x + y.
Q.
When ethyne is passed through a red hot tube, then formation of benzene takes place:
Δ
H
∘
f
(
C
2
H
2
)
(
g
)
=
230
k
J
m
o
l
−
1
H
∘
f
(
C
6
H
6
)
(
g
)
=
85
k
J
m
o
l
−
1
Calculate the standard heat of trimerisation of ethyne to benzene.
3
C
2
H
2
(
g
)
→
C
6
H
6
(
g
)
Q.
When ethyne is passed through a red hot tube, then formation of benzene takes place:
Δ
H
o
f
(
C
2
H
2
)
(
g
)
=
230
k
J
m
o
l
−
1
Δ
H
o
f
(
C
6
H
6
)
(
g
)
=
85
k
J
m
o
l
−
1
Calculate the standard heat of trimerisation of ethyne to benzene.
C
2
H
2
(
g
)
⟶
C
6
H
6
(
g
)
Q.
When ethyne is passed through a red hot tube, then formation of benzene takes place:
Δ
H
∘
f
(
C
2
H
2
)
(
g
)
=
230
k
J
m
o
l
−
1
H
∘
f
(
C
6
H
6
)
(
g
)
=
85
k
J
m
o
l
−
1
Calculate the standard heat of trimerisation of ethyne to benzene.
3
C
2
H
2
(
g
)
→
C
6
H
6
(
g
)
Q.
Ethyne on passing through a red hot iron tube gives :
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