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JIPMER 2017
Exam
JIPMER
Year
2017
Subject
Chemistry
Chapter
Redox Reactions

JIPMER 2017 · Chemistry · Redox Reactions

How many Faradays are required to reduce 1 mol of BrO_3^ - to Br^ -...

How many Faradays are required to reduce 1 mol of BrO3−\mathrm{BrO}_3^{-} to Br−\mathrm{Br}^{-}.

Options

  1. A3
  2. B5
  3. C6
  4. D4

Correct answer

C. 6

Step-by-step solution

BrO3−+6H++6e−⟶Br−+3H2O\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 F=6 \mathrm{~F}
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