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How can you prepare Cl(2) from HCl and H...

How can you prepare `Cl_(2)` from HCl and HCl from `Cl_(2)`? Write reactions only.

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HCl can be oxidised to `Cl_(2)` using various oxidising agents such as `MnO_(2),KMnO_(4),K_(2)Cr_(2)O_(7)`, etc.
`MnO_(2)+4HCltoMnCl_(2)+Cl_(2)+2H_(2)O`
`Cl_(2)` can be reduced to HCI using `H_(2)` in the presence of diffused sunlight.
`H_(2)+Cl_(2)overset("diffused sunlight")to2HCl`
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