a solution is yellow in methyl orange, blue in bromothymol blue and colourless in phenolphthalein. What is the ph range of the solution?
A. 4.5-6.0
B. 6.0-7.6
C. 7.6-8.3
D. 8.3-10.0
A. 4.5-6.0
B. 6.0-7.6
C. 7.6-8.3
D. 8.3-10.0
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Methyl orange red 3.1–4.4 yellow
Bromothymol blue yellow 6.0–7.6 blue
Phenolphthalein colorless 8.3–10.0 fuchsia
so it must be above 7.6 in order for it to be blue in bromothymol blue but below 8.3 for it to be colourless in phenolphthalein
C. is the answer
Bromothymol blue yellow 6.0–7.6 blue
Phenolphthalein colorless 8.3–10.0 fuchsia
so it must be above 7.6 in order for it to be blue in bromothymol blue but below 8.3 for it to be colourless in phenolphthalein
C. is the answer