{:("Column-I","Column-II"),("A) "Cu^(2+)+I^(-)rarrCu_(2)I_(2),"P) Eq.wt.=M.wt/6"),("B) "Cu+Cl^(-)rarrCuCl_(2)+...,"Q) Eq.wt.o=M.wt/5"),("C) "MnO_(4)^(-)+H^(+)+e^(-)rarrMn^(2+)+...,"R) Eq.wt.=M.wt/1"),("D) "Cr_(2)O_(7)^(2-)rarrCr_(2)O_(3)....,"S)Eq.wt.=M.wt/2"):}

{:("Column-I","Column-II"),("A) "Cu^(2+)+I^(-)rarrCu_(2)I_(2),"P) Eq.w

1.	{:("Column-I","Column-II"),("A) "Cu^(2+)+I^(-)rarrCu_(2)I_(2),"P) Eq.wt.=M.wt/6"),("B) "Cu+Cl^(-)rarrCuCl_(2)+...,"Q) Eq.wt.o=M.wt/5"),("C) "MnO_(4)^(-)+H^(+)+e^(-)rarrMn^(2+)+...,"R) Eq.wt.=M.wt/1"),("D) "Cr_(2)O_(7)^(2-)rarrCr_(2)O_(3)....,"S)Eq.wt.=M.wt/2"):}
Answer» Solution :A) `Cu^(+2)rarrCu^(+1)impliesn-f=1` B) `Cu^(0)rarrCu^(+2)impliesn-f=2` C) `MN^(+7)rarrMn^(+2)impliesn-f=5` D) `Cr_(2)^(+6)rarrCr^(+3)impliesn-f=3xx2=6`