Chemistry help Please: indicator solutions?

Question

Four beakers of a solution all have a pH of 9.75. If a few drops of (1) Thymol blue, (2) Bromphenol blue, (3) Bromthynol blue, and (4) Phenolphthalein were placed in each beaker separately, what would be the four colors observed? (Enter the letters corresponding to the colors in order, e.q. ABCD, BDCA, etc.)

A) red or pink
B) yellow or orange
C) blue
D) purple or violet
E) colorless

Answer 1

CDCA