Q If  E ° F e 2 + / F e = - 0 . 441   V   a n d     E ° F e 3 + / F e 2 + = 0 . 771   V  , the standard EMF of the reaction  F e + 2 F e 3 + 3 F e 2 +  will be
  1. 0.330 V
  2. 1.653 V
  3. 1.212 V
  4. 0.111 V

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