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Tardigrade
Question
Chemistry
Which of the following compounds decolourises aqueous bromine and does not gives white fumesof HCI on reaction with PCI5 ?
Q. Which of the following compounds decolourises aqueous bromine and does not gives white fumesof HCI on reaction with
PC
I
5
?
1894
189
Alcohols Phenols and Ethers
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A
C
H
3
C
H
2
C
H
2
C
H
2
O
H
22%
B
C
H
3
OC
H
2
C
H
=
C
H
2
52%
C
C
H
3
OC
H
2
C
H
2
C
H
2
O
4%
D
C
H
3
C
H
=
C
H
C
H
2
C
H
2
O
H
.
22%
Solution:
C
H
3
−
C
H
=
C
H
−
C
H
2
−
C
H
2
−
O
H
+
PC
l
5
→
K
3
C
−
C
H
=
C
H
−
C
H
2
−
C
H
2
−
Cl
+
MCl
+
POC
l
3
↓
B
r
2
∣
H
2
O
Colour decolorises due to the presence of double bond.