During the titration of 0.100 M NH₃ with 0.100 M HCl
CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases
Problem
During the titration of 0.100 M NH₃ with 0.100 M HCl, the pH at the equivalence point is approximately 5.3. Explain in one sentence why bromocresol purple (transition range 5.2–6.8) is a more appropriate indicator than phenolphthalein for this titration.