An acidic solution of dichromate is electrolyzed for 8 minutes using \(2 \mathrm{~A}\) current. As per the following equation

\( \mathrm{Cr}_2 \mathrm{O}_7^{2-}+14 \mathrm{H}^{+}+6 \mathrm{e}^{-} \rightarrow 2 \mathrm{Cr}^{3+}+7 \mathrm{H}_2 \mathrm{O}\)
The amount of \(\mathrm{Cr}^{3+}\) obtained was 0.104 g. The efficiency of the process(in %) is ______. (Take : \(F=96000 \mathrm{~C}\), At. mass of chromium \(=52\) )

[JEE Main 2020, 3 Sep (Shift 2)]

Question

An acidic solution of dichromate is electrolyzed for 8 minutes using \(2 \mathrm{~A}\) current. As per the following equation

\( \mathrm{Cr}_2 \mathrm{O}_7^{2-}+14 \mathrm{H}^{+}+6 \mathrm{e}^{-} \rightarrow 2 \mathrm{Cr}^{3+}+7 \mathrm{H}_2 \mathrm{O}\)
The amount of \(\mathrm{Cr}^{3+}\) obtained was 0.104 g. The efficiency of the process(in %) is ______. (Take : \(F=96000 \mathrm{~C}\), At. mass of chromium \(=52\) )

[JEE Main 2020, 3 Sep (Shift 2)]

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