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Standard XII
Chemistry
Chemical Properties of Phenols
ntA organic c...
Question
ntA organic compound A of molecular formula C7H7NO on treatment with P2O5 provides B .Reaction of both A and B with LiAlH4 gives C.Acid hydrolysis of both A and B afford benzoic acid . Identify A,B and C with reason.n
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Similar questions
Q.
An organic compound
[
A
]
having molecular formula
C
2
H
7
N
on treatment with nitrous acid gives a compound
[
B
]
having molecular formula
C
2
H
6
O
.
[
B
]
on treatment with an organic compound
[
C
]
gives a carboxylic acid
[
D
]
and a sweet smelling compound
[
E
]
. Oxidation of
[
B
]
with acidified potassium dichromate also gives
[
D
]
Identify
[
A
]
,
[
B
]
,
[
C
]
,
[
D
]
and
[
E
]
Q.
An organic compound (A) of molecular formula
C
7
H
8
O
on treatment with lead nitrate gives a compound (B) of molecular formula
C
7
H
6
O
. (B) on chlorination in presence of
F
e
C
l
3
form compound (C). Identify A, B and C, write the reactions.
Q.
An organic compound
(
A
)
of molecular formula
C
7
H
8
on treatment with
C
l
2
in the presence of sunlight gives compound
(
B
)
of molecular formula
C
7
H
7
C
l
. Compound
(
B
)
reacts with
Z
n
−
C
u
couple to give back compound
(
A
)
. Compound
(
B
)
on mild oxidation with
C
u
(
N
O
3
)
2
gives
(
C
)
of molecular formula
C
7
H
6
O
. Identify
(
A
)
,
(
B
)
,
and
(
C
)
. Explain the reactions.
Q.
An organic compound
[
A
]
having molecular formula
C
2
H
7
N
on treatment with nitrous acid gives a compound
[
B
]
having molecular formula
C
2
H
6
O
.
[
B
]
on treatment with an organic compound
[
C
]
gives a carboxylic acid
[
D
]
and a sweet smelling compound
[
E
]
. Oxidation of
[
B
]
with acidified potassium dichromate also gives
[
D
]
Write balanced chemical equation of
[
D
]
with chlorine in the presence of red phosphorus and name the reaction.
Q.
An organic compound A (molecular formula C
2
H
4
O
2
) reacts with Na metal to form a compound B and evolves a gas which burns with a pop sound. Compound A on treatment with an alcohol C in the presence of a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula C
3
H
6
O
2
). Compound D on treatment with NaOH solution gives back B and C. Identify A, B, C and D.
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