Which indicator would minimize titration error when titrating 0.100 M HCl with 0.100…

CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Which indicator would minimize titration error when titrating 0.100 M HCl with 0.100 M NaOH so that the end point occurs as close as possible to the equivalence point? (a) Phenolphthalein, pH  8.2−10.0pH\;8.2-10.0 (b) Phenol red, pH  6.8−8.4pH\;6.8-8.4 (c) Bromothymol blue, pH  6.0−7.6pH\;6.0-7.6 (d) Methyl orange, pH  3.1−4.4pH\;3.1-4.4

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