1
In Burette
Nitrite solution
2
In conical flask
10 cm
3
0.1 N KMnO
4
+ 225 cm
3
1 N H
2
SO
4
3
Indicator
KMnO
4
itself
4
End point
Pink to colourless
Table 3a:
Three burette readings were recorded and CBR was recorded as X cm
3
for sodium nitrite.