CBSE Class 12-science Answered
An acidic solution of cupric ions containing 0.4gram of cupric ions is electrolysed until all copper is deposited.Calculate the volume of oxygen evolved at N.T.P ?
Asked by | 23 Mar, 2013, 06:58: PM
Expert Answer
Cu2+ + H2O = Cu + 2H+ +1/2 O2
63.5/2 =31.75g Cu2+ evolves oxygen gas at NTP = 1/2 x22400 =11200cc
and 0.4g evolves 11200 x .4 /31.75 =141cc oxygen gas
Answered by | 06 May, 2013, 12:58: PM
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