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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 the reactions.

Text Solution

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Preparation of `Cl_(2)` from HCl :
`to` On heating `MnO_(2)` with Conc. HCl, `Cl_(2)` gas is liberated
`MnO_(2)+4" HCl"to"MnCl"_(2)+Cl_(2)+2" H"_(2)O`
`to` By the oxidation of HCl gas by atmospheric oxygen in presence of `CuCl_(2)` catalyst at 723 K.
`4" HCl"+O_(2)overset(CuCl_(2))to2Cl_(2)+2" H"_(2)O`
Preparation of HCl from `Cl_(2)` :
`to Cl_(2)` when reacted with `H_(2)` to form HCl
`H_(2(g))+Cl_(2(g))to2HCl_((g))`
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Knowledge Check

  • Preparation of Cl_2 from HCl and MnO_2 involves the process of:

    A
    Oxidation of `MnO_2`
    B
    Reduction of `MnO_2`
    C
    Dehydration
    D
    Oxidation of chloride ion

  • Pure Cl_(2) is prepared by

    A
    `PtCl_(4)`
    B
    NaCl
    C
    `CuCl_(2)`
    D
    `KCl`

  • MnO_(2)+4HCl to MnCl_(2)+Cl_(2)+2H_(2)O , In the reaction MnO_(2) acts as

    A
    oxidant
    B
    reductant
    C
    both
    D
    none of these

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