JEE Advanced 2025 Chemistry question
In an electrochemical cell, dichromate ions in aqueous acidic medium are reduced to Cr³⁺. The current (in amperes) that flows through the cell for 48.25 minutes to produce 1 mole of Cr³⁺ is . Use: 1 Faraday = 96500 C mol⁻¹
Answer: 100
Solution
Cr goes from +6 in to +3, so 3 mol of electrons per mole of
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