1.

(i) How is chlorine prepared by using MnO_(2)?

Answer»

Solution :(i) CHLORINE is OBTAINED by heating `MnO_(2)` with CONC. HCI.
`MnO_(2)+4HCl to MnCI_(2) +CI_(2) + 2H_(2)O`
(ii) `NH_(2) +Cl_(2)(excess)toNCI_(3) +3HCl `


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