1.

The heating of which of the following gives pure chlorine .

Answer»

`MnO_(2)`
Bleaching powder `+ HCl`
`PtCl_(4)`
`NaCl + MnO_(2) + H_(2) SO_(4)`

SOLUTION :Pure CHLORIDE obtains by heating of DRY platonic chloride `(PtCl_(4))`
`PtCl_(4) overset( 374^(@)C)(rarr) PtCl_(2) + Cl_(2) overset( 58^(@)C)(rarr) Pt + 2Cl_(2)`


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