Chemistry, asked by nishit1504, 6 months ago

In a solution of CuSO₄, 0.5 A current passes for 60 minutes. How much copper is deposited if current efficiency is 50%? (Cu = 63.5)
(Class XII, Chemistry, Electrochemistry)

Answers

Answered by sayyedAzra

Answer:

Correct option is C)

The quantity of electricity passed =Q(C)=0.5F=0.5×96500C=48250C.

Molar mass of copper = 63.5

mol

Moles of electrons passed =

96500

mole

−

Q(C)

96500

mole

−

48250C

96500

48250

mole

−

The weight of copper deposited =molarmassofCu×moleratio×molesofelectronspassed

=63.5

mol

2mole

−

1molCu

96500

48250

mole

−

=15.875g.

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In a solution of CuSO₄, 0.5 A current passes for 60 minutes. How much copper is deposited if current efficiency is 50%? (Cu = 63.5) (Class XII, Chemistry, Electrochemistry)

Answers

In a solution of CuSO₄, 0.5 A current passes for 60 minutes. How much copper is deposited if current efficiency is 50%? (Cu = 63.5)
(Class XII, Chemistry, Electrochemistry)