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Question
Chemistry
Assertion Bleaching powder is a mixed salt. Reason In the presence of COCl 2, bleaching powder decomposes to give CaCl 2 and O 2.
Q.
Assertion
Bleaching powder is a mixed salt.
Reason
In the presence of
COC
l
2
, bleaching powder decomposes to give
C
a
C
l
2
and
O
2
.
2554
262
AIIMS
AIIMS 2009
Report Error
A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
B
If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion
C
If Assertion is true but Reason is false
D
If both Assertion and Reason are false
Solution:
Bleaching powder is a mixed salt of calcium hypochlorite
[
C
a
(
ClO
)
2
]
, calcium chloride,
C
a
C
l
2
and calcium hydroxide
[
C
a
(
O
H
)
2
]
. In presence of cobalt chloride, it decomposes into
C
a
C
l
2
+
O
2
.