Match the significant products of electrolysis of species in column I with those in column II. `{:("Column-I","Column-II"),((A)Aq.CuSO_4("dilute"),"Us
Match the significant products of electrolysis of species in column I with those in column II.
`{:("Column-I","Column-II"),((A)Aq.CuSO_4("dilute"),"Using Pt electrodes",(p)O_2 "gas is evolved at anode"),((B)Aq.CuSO_4("dilute"),"Using Cu electrodes",(q)"Gas other than"O_2 "is (also) evolved at anode"),(( C)Aq.MgCl_2,"Using Pt electrodes",(r)"pH of solution changes due to electrolysis"),((D)"Molten" MgCl_2,"Using C electrodes",(s)"Metal is deposited at the cathode"),(,(t)Cl_2 "gas is evolved at anode") :}`
1 Answers
Correct Answer - A-p,r,s ; B-s ; C-p,q,r,t ; D-q,s,t
(A)`2Cu^(2+)+2H_2Oto2Cu+O_2+4H^(+)`
(B)`Cu(a)+Cu^(2+)toCu^(2+)+Cu(c )`
(C )`MgCl_2+2H_2OtoMg(OH)_2+H_2+Cl_2` partly `O_2` will always be liberated due to oxidation of water.
(D)`MgCl_2 to Mg+Cl_2`