Q57 / 180 · JIPMER 2017 · Chemistry

How many Faradays are required to reduce 1 mol of $\mathrm{BrO}_3^{-}$ to $\mathrm{Br}^{-}$.

  • A
    3
  • B
    5
  • Correct answer
    C
    6
  • D
    4

Solution

$\mathrm{BrO}_3^{-}+6 \mathrm{H}^{+}+6 \mathrm{e}^{-} \longrightarrow \mathrm{Br}^{-}+3 \mathrm{H}_2 \mathrm{O}$ $\therefore$ Number of Faraday's required $=6 \mathrm{~F}$

Hence, the correct answer is option: 'C'.

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