Consider the ph range for the following indicators and


Consider the pH range for the following indicators and select the most appropriate indicator for the titration of an HCN solution with a NaOH titrant.

A. bromothymol blue, pH range 6.0-7.6
B. methyl red, pH range 4.2-6.3
C. thymol blue, pH range 1.2-2.8
D. phenolphthalein, pH range 8.3-10.0
E. bromophenol blue, pH range 3.0-4.6

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Chemistry: Consider the ph range for the following indicators and
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