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Byju's Answer
Standard XII
Chemistry
Formation of Imines
Acetone react...
Question
Acetone reacts with iodine
(
I
2
)
to form iodoform, in the presence of:
A
K
O
H
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B
N
a
O
H
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C
C
a
C
O
3
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D
M
g
C
O
3
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Solution
The correct option is
B
N
a
O
H
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0
Similar questions
Q.
A ketone (A) forms iodoform when it reacts with
I
2
+
N
a
O
H
. (A) on reduction with
N
a
B
H
4
gives (B) which on heating with
H
2
S
O
4
gives (C). (C) on reductive ozonolysis gives acetaldehyde and acetone.
Q.
Assertion :Iodine reacts with alcohols to give alkyl iodine only in presence of phosphorous. Reason: Phosphorus reacts with
I
2
to give
P
I
3
which replaces
O
H
group of alcohol to produce
R
−
I
2
P
+
3
I
→
2
P
I
3
3
R
O
H
+
P
I
3
→
3
R
I
+
H
3
P
O
3
Q.
Assertion :Benzene reacts with iodine monochloride in presence of anhyd.
A
l
C
l
3
to form iodobenzene. Reason: Iodine monochloride reacts with anhyd.
A
l
C
l
3
to produce
I
+
which attacks the benzene ring.
Q.
An organic compound
X
on treatment with pyridinium chlorochromate (PCC) in
C
H
2
C
l
2
gives compound
Y
.
Compound
Y
reacts with
I
2
/
N
a
O
H
to form iodoform. The compound
X
is:
Q.
Iodoform is formed on warming
I
2
&
N
a
O
H
with _____.
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