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Byju's Answer
Standard XII
Chemistry
Straight Chain Hydrocarbons
Choose the co...
Question
Choose the correct structure for propane.
A
C
H
3
−
C
H
2
−
C
H
3
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B
C
H
3
−
C
|
|
O
−
O
H
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C
C
H
3
−
O
−
C
3
H
7
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D
C
H
3
−
C
|
|
O
−
C
H
3
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E
C
H
3
−
C
H
2
−
N
H
2
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Solution
The correct option is
A
C
H
3
−
C
H
2
−
C
H
3
The correct structure for propane is
C
H
3
−
C
H
2
−
C
H
3
. It has molecular formula of
C
3
H
8
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0
Similar questions
Q.
1.
C
H
3
−
C
H
2
−
O
|
|
C
−
C
H
2
−
C
H
3
2.
C
H
3
−
C
H
2
−
C
H
2
−
O
|
|
C
−
C
H
3
Write the structure of alkynes that give following ketones on hydration.
Q.
In the given reaction
C
H
3
−
O
|
|
C
−
O
−
C
H
3
|
C
|
C
H
3
−
C
H
3
N
a
/
C
2
H
5
O
H
−
−−−−−−−
→
(
X
)
+
(
Y
)
[
X
]
a
n
d
[
Y
]
respectively be:
(
a
)
C
H
3
−
C
H
2
−
O
H
a
n
d
C
H
3
−
C
H
3
|
C
|
C
H
3
−
O
H
(
b
)
C
H
3
−
C
H
2
−
O
H
a
n
d
C
H
3
−
C
|
C
H
3
=
C
H
2
(
c
)
C
H
2
=
C
H
2
a
n
d
C
H
3
−
C
H
3
|
C
|
C
H
3
−
O
H
(d) all the above
Q.
The order of stability of the following tautomeric compounds is:
C
H
2
=
O
H
|
C
−
C
H
2
−
O
|
|
C
−
C
H
3
⇌
C
H
3
−
O
|
|
C
−
C
H
2
−
O
|
|
C
−
C
H
3
⇌
C
H
3
−
O
H
|
C
=
C
H
−
O
|
|
C
−
C
H
3
I
I
I
I
I
I
Q.
C
H
2
=
O
H
|
C
−
C
H
2
(
I
)
−
O
|
|
C
−
C
H
3
⇌
C
H
3
−
O
|
|
C
−
C
H
2
(
I
I
)
−
O
|
|
C
−
C
H
3
⇌
C
H
3
−
O
H
|
C
=
C
H
(
I
I
I
)
−
O
|
|
C
−
C
H
3
The order of stability of the following tautomeric compounds is:
Q.
The two compounds
C
H
3
−
C
H
2
−
O
∥
C
−
C
H
2
−
C
H
2
−
C
H
3
and
C
H
3
−
O
∥
C
−
C
H
3
|
C
|
C
H
3
−
C
H
3
may be considered as:
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