underline(A)overset(4KOH,O_(2))to2underline(B)+2H_(2)O 3underline(B)overset(4HCl)underset(("Purple"))(2underline(C))+MnO_(2)+2H_(2)O 2underline(C)overset(H_(2)O,Kl)to2underline(A)+2KOH+underline(D) In the above sequence of reactions, underline(A) and underline(D), respectively, are:

underline(A)overset(4KOH,O_(2))to2underline(B)+2H_(2)O 3underline(B)o

1.	underline(A)overset(4KOH,O_(2))to2underline(B)+2H_(2)O 3underline(B)overset(4HCl)underset(("Purple"))(2underline(C))+MnO_(2)+2H_(2)O 2underline(C)overset(H_(2)O,Kl)to2underline(A)+2KOH+underline(D) In the above sequence of reactions, underline(A) and underline(D), respectively, are:
Answer» `KlO_(3) and MnO_(2)` `MnO_(2) and KlO_3` `Kl and K_(2)MnO_(4)` `Kl and KMnO_(4)` ANSWER :B