Which indicator listed below is the most appropriate for a titration whose…

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Which indicator listed below is the most appropriate for a titration whose equivalence-point pH is 4.7? • Methyl orange,

pK_a = 3.5

• Bromocresol green,

pK_a = 4.7

• Phenol red,

pK_a = 7.4