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Byju's Answer
Standard XII
Chemistry
Action of Water on Calcium Carbide
Isobutyraldeh...
Question
Isobutyraldehyde on reaction with formaldehyde and
K
2
C
O
3
gives compound
′
A
′
. Compound
′
A
′
reacts with
K
C
N
and yields compound
′
B
′
, which on hydrolysis gives a stable compound
′
C
′
. The compond 'C' is
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Similar questions
Q.
An organic compound (A) gives positive Liebermann reaction and on treatment with
C
H
C
l
3
/
K
O
H
followed by hydrolysis gives (B) and (C) ,. Compound (B) gives colour with Schiff's reagent but not (C), which is steam - volatile. (C) on treatment with
L
I
A
l
H
4
gives (D),
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which on oxidation gives 9E), Compound (E) reacts with
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/
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to give a pain - reliever (F), Give structure of (A) to (F) with proper reasoning.
Q.
A compound
(
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)
of boron reacts with
N
M
e
3
to give an adduct
(
B
)
which on hydrolysis gives a compound
(
C
)
and hydrogen gas. Compound
(
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)
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,
B
and
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. Give the reactions involved.
Q.
A compound
A
of boron reacts with
N
M
e
3
to give an adduct
B
which on hydrolysis gives a compound
C
and a gas
D
. Compound
C
is an acid.
Compound
C
is :
Q.
An organic compound ‘A’ on reaction with
N
H
3
followed by heating gives compound B. Which on further strong heating gives compound
C
(
C
8
H
5
N
O
2
)
. Compound C on sequential reaction with ethanolic KOH, alkyl chloride and hydrolysis with alkali gives a primary amine. The compound A is :
Q.
Compound “A” on reduction with Sn/HCl gives “B” which on further reaction with
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