Which indicator below could be used in the titration of aqueous NaOH with HCl solution?
Indicator | Acid Range Color | Color-change pH | Basic Range Color |
---|---|---|---|
i. | pink | 1.2-2.8 | yellow |
ii. | blue | 3.4-4.6 | yellow |
iii. | yellow | 6.5-7.8 | purple |
iv. | colorless | 8.3-9.9 | red |
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Which indicator below could be used in the titration of aqueous NaOH with HCl solution? Indicator ...
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