Answer:
Option C
Explanation:
The half equations of the reaction are
MnO−4→Mn2+
C2O2−4→CO2
The balanced half equation are
MnO−4+8H++5e−→Mn2++4H2O
C2O2−4→2CO2+2e−
On equating number of electrons, we get
2MnO−4+16H++10e−→2Mn2++8H2O
5C2O2−4→10CO2+10e−
On adding both equations , we get
2MnO−4+5C2O−4+16H+→2Mn2++2×5CO2+162H2O
Thus, x,y, and z are 2,5 and 16 respectively.