How is bleaching powder prepared? Write the equation involved?2 mark don't spam please
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How is bleaching powder prepared? Write the equation involved?2 mark don't spam please
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Answer:
Explanation:
(a) Bleaching powder is Calcium oxychloride (CaOCl
2
). It is prepared by passing chlorine gas over dry slaked lime.
Reaction: Ca(OH)
2
+Cl
2
→CaOCl
2
+H
2
O
(b) When bleaching powder reacts with dilute sulphuric acid, it produces chlorine gas.
Reaction: CaOCl
2
+H
2
SO
4
→CaSO
4
+Cl
2
(g)+H
2
O(l)
(c) Two important uses of bleaching powder are-
(i) It is used for disinfecting the drinking water supply.
(ii) It is used in the manufacture of chloroform.
Explanation:
(a) Bleaching powder is Calcium oxychloride (CaOCl2). It is prepared by passing chlorine gas over dry slaked lime. (c) (i) It is used for disinfecting drinking water supply. (ii) It is used in the manufacture of chloroform.