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Question
Chemistry
Ethanol when warmed with iodine and sodium carbonate gives a yellow coloured crystalline solid, which is used in preparation of antiseptic ointments. The yellow coloured crystalline substance is
Q. Ethanol when warmed with iodine and sodium carbonate gives a yellow coloured crystalline solid, which is used in preparation of antiseptic ointments. The yellow coloured crystalline substance is
2645
236
COMEDK
COMEDK 2015
Alcohols Phenols and Ethers
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A
chloroform
12%
B
iodoform
71%
C
carbon tetrachloride
12%
D
dichloromethane.
5%
Solution:
Ethanol
C
H
3
C
H
2
O
H
+
I
2
+
N
a
2
C
O
3
→
Iodpform (yellow ppt.)
C
H
I
3
+
H
COON
a
+
N
a
l
+
H
2
O
+
C
O
2