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A cell operates at a current of 100000 amperes with a current efficiency of 95 per cent. Roughly what fraction of the theoretical chlorine output is actually obtained?

  • A.95 per cent
  • B.100 per cent
  • C.5 per cent
  • D.50 per cent

Answer: A

Current efficiency is by definition the fraction of the charge that produces the intended product. The missing five per cent goes into oxygen evolution and other side reactions. Cell design aims to keep the figure above ninety-five.

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