Some chemicals available are given below.
(`NaCl, conc. HCl, KMnO_4, K_2SO_4, CuSO_4`)
a) Choose the chemicals given below that are used for the laboratory of chlorine.
b) Chlorine Formed is usually passed through concentrated sulphuric acid. Why?
c) Bleaching powder is used as a source of chlorine for different purposes. How bleaching powder is prepared?
d) Write down any two other uses of chlorine.

Explanation

a) .KMnO_4, Conc. HCl.
b) To absorb water vapour formed along with chlorine
c) Bleaching powder is prepared by passing chlorine gas over dry slaked lime.
d) For the preparation of insectisides.