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Byju's Answer
Standard XII
Chemistry
Preparation of Alcohols from Carbonyl Compounds
Which can red...
Question
Which can reduce
R
C
O
O
H
⟶
R
C
H
2
O
H
?
A
N
a
B
H
4
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B
N
a
/
C
2
H
5
O
H
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C
B
H
3
/
T
H
F
/
H
3
O
+
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D
H
2
/ catalyst
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Solution
The correct option is
D
B
H
3
/
T
H
F
/
H
3
O
+
N
a
B
H
4
can reduce only aldehyole and ketones not acids.
R
−
C
O
O
H
⟶
R
C
H
2
O
H
is done by
B
H
3
/
T
H
F
/
H
3
O
.
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Similar questions
Q.
Which reducing agents can be used for the following transformation ?
C
H
3
−
C
H
=
C
H
−
C
O
O
H
→
C
H
3
−
C
H
=
C
H
−
C
H
2
O
H
Q.
Which reducing agent is used for the following conversion?
R
C
O
O
H
→
R
C
H
2
O
H
Q.
When D-fructose is reduced with
N
a
B
H
4
/
H
3
O
+
, alditols are produced. Which of the following compounds will give the same alditol on reduction with
N
a
B
H
4
/
H
3
O
+
?
Q.
R
C
O
O
H
→
R
C
H
2
O
H
This mode of reduction of an acid to alcohol can be effected only by
Q.
When D-fructose is reduced with
N
a
B
H
4
/
H
3
O
+
, alditols are produced. Which of the following compounds will give the same alditol on reduction with
N
a
B
H
4
/
H
3
O
+
?
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