Match the reactions in Column I with nature of the reactions `//` type of the products in Column II.
A. `AgNO_(3)(aq)+I_(2)("excess")+H_(2)Orarr" "(p)"Disproportionation"`
B. `K_(2)MnO_(4)(aq)+CO_(2)(g)rarr" "(p)"Comproportionation"`
C. `Na_(2)Cr_(2)O_(7)+C overset(Delta)(rarr)" "(r ) "Redox reaction"`
D. `CuCl_(2)(aq)+Cu(s)rarr" "(s)"One of the products is insoluble in water"`