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Byju's Answer
Standard XII
Chemistry
Reactivity with Halogens and Hydrogen (Group 2)
Bleaching pow...
Question
Bleaching powder reacts with excess dil acids to liberate chlorine which is called :
A
nascent chlorine
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B
available chlorine
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C
active chlorine
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D
atomic chlorine
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Solution
The correct option is
B
available chlorine
C
a
O
C
l
2
+
2
H
C
l
→
C
a
C
l
2
+
H
2
O
+
C
l
2
The chlorine produced after the reaction is called available chlorine.
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Q.
The amount of chlorine obtained from a sample of bleaching powder by treatment with excess of dilute acid or
C
O
2
is called available chlorine.
Q.
Which of the given dilute acids react with bleaching powder to release chlorine gas?