The number of Faradays required to reduce 4 g equivalent of C u 2 + to Cu metal will be

Step-by-step solution

C u 2 + 1 m o l + 2 e - 2 F → C u 1 mole C u 2 + = 2 equivalent of C u 2 + or 2 equivalent of C u 2 + requires = 2F So 4 equivalent of C u 2 + will require = 4 F