During the electrolysis of copper sulphate solution with copper electrodes, how many coulombs of electricity should pass to oxidise half gram atom of copper to Cu2+ ions?
96500
48250
193000
95600
A
95600
B
193000
C
96500
D
48250
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Solution
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1 gram atom of copper will require 2 faraday of electricity to convert into Cu+2 ions.
Cu⇌Cu(II)+2e
Half gram atom of copper will require 1 faraday of electricity to convert to Cu2+ ions.
1 faraday = 96500 coulomb charge
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