Question

15. The plot of absorbance vs ml of titrant added gives L Shaped curve in spectrophotometric
titration of
1 arsenic (III) as titrant with (bromide + bromate)
2 Copper (ll) as titrand with EDTA
3 EDTA as titrand with copper (II)
4 p-toluidine as titrand with perchloric acid​

Answer 1

Explanation:

4 - p- toulidine as titrand with perchloric acid