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Electrochemistry · 2020 · 3 Sep · Shift 2

1 Chemistry questions from this JEE Main paper

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2020 · 3 Sep · Shift 2
Chemistry
Electrochemistry

Electrochemistry · 2020 · 3 Sep · Shift 2

1 Chemistry questions from this JEE Main paper

Q21.An acidic solution of dichromate is electrolyzed for 8 minutes using 2A current. As per the following equation $C r_{2} O_{7}^{2 -}$ + $14 H^{+}$ + 6e– $\to$ $2 C r^{3 +}$ + $7 H_{2} O$ The amount of $C r^{3 +}$ obtained was 0.104 g. The efficiency of the…
Chemistry · Electrochemistry · Numerical