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20 May, 11:08

Which substance is oxidized and which is reduced in this reaction?

Cl2 + 2HBr → 2HCl + Br2

A) HBr oxidized; HCl reduced

B) HCl oxidized; Cl2 reduced

C) Br2 oxidized; HBr reduced

D) Cl2 and Br2 oxidized; HBr reduced

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Answers (1)
  1. 20 May, 11:21
    0
    A) HBr oxidized; HCl reduced

    Explanation:

    Chemical equation:

    Cl₂ + 2HBr → 2HCl + Br₂

    The given reaction is redox reaction because oxidation reduction take place.

    Cl₂ is reduced from oxidation state 0 to - 1 while HBr oxidized from - 1 to 0.

    Chlorine is oxidizing agent while HBr is reducing agent.

    Oxidation:

    Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.

    Reduction:

    Reduction involve the gain of electron and oxidation number is decreased.

    Oxidizing agents:

    Oxidizing agents oxidize the other elements and itself gets reduced.

    Reducing agents:

    Reducing agents reduced the other element are it self gets oxidized
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