1
In Burette
0.05 N (approx.) KMnO
4
solution
2
In conical flask
10 cm
3
MnSO
4
solution+½ TT ZnO paste+2-3 drops of 2 N HNO
3
3
Indicator
KMnO
4
itself
4
End point
Colourless to faint pink
Table 5a:
Three burette readings were recorded and CBR was recorded as X cm
3
for potassium permanganate solution.