Tardigrade
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Tardigrade
Question
Chemistry
How many compounds give positive Tollens' test? 1. D-glucose 2. D-fructose 3. CH3 oversetO overset|. |.CH 4. PhCH2OH 5. CH3CH3 text6 text. textHCOOH text7 text. textCH text3 textCOOH
Q. How many compounds give positive Tollens' test?
1.
D-glucose
2.
D-fructose
3.
C
H
3
C
∣
∣
O
H
4.
P
h
C
H
2
O
H
5.
C
H
3
C
H
3
6
.
HCOOH
7
.
CH
3
COOH
4402
166
NTA Abhyas
NTA Abhyas 2020
Aldehydes Ketones and Carboxylic Acids
Report Error
Answer:
4.00
Solution:
These four can reduce tollen's reagent.
1.
D-glucose
2.
D-fructose (
α
-hydroxy ketone)
3.
C
H
3
−
C
H
O
6.
H
−
C
∣
∣
O
−
O
H