Question

The term available chlorine is used in case of the bleaching powder . what is meant by the term available chlorine.which gas is released when this compound is left exposed to air. Give reaction also

Answer 1

Explanation:

Bleaching powder is chemically, calcium

oxychloride (CaCl2). Bleaching powder can be

manufactured by using two types of manufacturing

plants: Bachman's plant and Hasenclever plant. It

is manufactured by passing chlorine gas over

slaked lime.

Ca(OH)2 + Cl2 = CaCl2 + H2O

Calcium

Chlorine Calcium Water

hydroxide oxychloride

(Slaked lime) (Bleaching powder)

Bleaching powder is a yellowish white powder with

strong smell of chlorine. When exposed to air,

bleaching powder gives a smell of chlorine. This is

because bleaching powder reacts with carbon

dioxide from the atmosphere to produce calcium

carbonate and chlorine gas

CaCl2 + CO2, CaCO3 + Cl2

Hope you understand

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Answer 2

Answer:

What is meant by ‘hydrated and anhydrous’ salts?