`{:("Column - I (Reaction)","Column-II(Eq wt)"),("A) "KMnO_(4)overset(H^(+))rarrMn^(+2),"P)" M//2),("B) " MgC_(2)O_(4)rarrMg^(2+)+CO_(2),"Q)" M//5),("C) "K_(2)Cr_(2)O_(7)rarrCr^(3+),"R)"M//6),("D) "CrO_(5)rarrCr_(2)O^(3),"S)" M//3),(,"T) Oxidising agent"):}`

Answer

`A-QT;B-P;C-RT;D-ST`

Explanation

A) `KMnO_(4)overset(H^(+))rarrMn^(2+)-M//5`, Oxidising agent
B) `MgC_(2)O_(4)rarr Mg^(2+)+CO_(2)-M//2`
C) `K_2Cr_(2)O_(7) rarr Cr(+3) -M//3` , Oxidising agent
D) `CrO_(5) rarrCr_(2)O_3-M//3` , Oxidising agent