Q.

Aqueous solution of CuSO4 is electrolysed using inert electrodes till the blue coloured solution becomes colourless. The colourless solution formed is

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a

 H2O

b

 H2SO4
 

c

 CuSO4 

d

Cu(OH)2 

answer is B.

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Detailed Solution

  • Copper metal is transferred from the anode to the cathode during electrolysis of an aqueous solution of copper sulphate using copper electrodes (i.e. utilizing active electrodes). 
  • In aqueous solution, copper sulphate is ionised.
  • The colorless solution formed is H2SO4.
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Aqueous solution of CuSO4 is electrolysed using inert electrodes till the blue coloured solution becomes colourless. The colourless solution formed is