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Potassium dichromate is used...

Potassium dichromate is used

A

As a reducing agent

B

In electroplating

C

As an insecticide

D

as an oxidizing agent it oxidises ferrous ions into ferric ions in acidic media

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The colour of potassium dichromate is due to

    A
    d - d transition
    B
    transition in `K^+` ion
    C
    ligand- to - metal charge transfer
    D
    metal to ligand charge transfer

  • Potassium dichromate is prepared from

    A
    chromate obtined by the fusion of chromite ore with sodium carbonate in free access of air
    B
    pyrolusite which is fused with potassium hydroxide in th presence of air
    C
    iron pyrites by the fusion with potassium carbonate in presence of moisture
    D
    none of these

  • The colour of potassium dichromate is

    A
    orange.
    B
    yellow.
    C
    purple.
    D
    colourless.

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