1.

How is bleaching powder prepared? Write the equation involved?2 mark don't spam please​

Answer»

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.



Discussion

No Comment Found

Related InterviewSolutions