Question

cr2o7tothepower-2 + I tothepower- + h + balace and complete the equation​

Answer 1

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Question:

Balance and complete the reaction:

Cr₂O₇²⁻ + I⁻ + H⁺

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Answer and explanation:

Chromate ion (Cr₂O₇²⁻) in acidic medium get converted to Cr³⁺ ion

The iodide ion (I⁻) gets converted to I₂ gas

Water is formed as the product

So, the rough reaction will be:

Cr₂O₇²⁻ + I⁻ + H⁺ → Cr³⁺ + H₂O + I₂

Now, the balanced reaction is:

Cr₂O₇²⁻ + 6I⁻ + 14H⁺ → 2Cr³⁺ + 7H₂O + 3I₂

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