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Stoichiometry

In acidic med...

Question

In acidic medium, dichromate ions oxidise ferrous sulphate to ferric sulphate and itself gets reduced to Cr3+ ions. Write a balanced equation to represent this redox reaction.(Use ion electron method)

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Q. In acidic medium, dichromatic ion oxidises ferrous ion to ferric ion. If the gram molecular weight of potassium dichromate is

294 g

, its gram equivalent weight (in grams) is :

Q. In acidic medium, dichromate ion oxidizes ferrous ion to ferric ion. If the gram molecular weight of potassium dichromate is

294 g

, its equivalent weight is:

K M n O_{4}

acts as an oxidising agent in acidic, basic or neutral medium. Reason:

K M n O_{4}

oxidises ferrous sulphate to ferric sulphate.

Q. In a redox reaction, dichromate ion

({C r_{2} O_{7}}^{2 -})

C r^{3 +}

ion, the equivalent mass of

K_{2} C r_{2} O_{7}

in this reaction is:

K M n O_{4}

acts as an oxidising agent is acidic, basic medium.

Reason

K M n O_{4}

oxidises ferrous sulphate to ferric sulphate.

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