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Standard XII
Chemistry
Nucleophilic Addition at the Carbonyl
160) C6H5CO...
Question
160) C6H5CONHCH3 can be converted into C6H5CH2NHCH3 by 1) NaBH4 2) H2-Pd/C 3) LiAlH4 4) Zn-Hg/HC
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Q.
C
6
H
5
C
O
N
H
C
H
3
can be converted into
C
6
H
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C
H
2
N
H
C
H
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by
Q.
Reduction of
C
H
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C
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C
O
C
H
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to
C
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C
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Q.
Suitable reagents (s) to convert acetyl chloride into acetaldehyde is/are :
(a).
N
a
−
C
2
H
5
O
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(b).
N
a
B
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(c).
H
2
/
p
d
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B
a
S
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4
(d).
L
i
A
I
H
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3
Q.
Catalyst used in Rosenmund reduction is
P
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L
i
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l
H
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Zn-Hg couple
Q.
A) Grignard reagent
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H
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P
d
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B
a
S
O
4
B) Clemmensen reduction
2)
N
2
H
4
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K
O
H
/
C
H
2
O
H
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C
H
2
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H
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C
H
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g
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n
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