Which of these indicators would be appropriate for the following
titrations.
Methyl Orange pKa = 4.1 Â Â
Bromthymol...
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Chemistry
Which of these indicators would be appropriate for the followingtitrations.
Methyl Orange pKa = 4.1 Â Â Bromthymol Blue pKa = 7.0 Phenolphthalein pKa = 9.3
ethylamine titrated with hydrochloric acid
perchloric acid titrated with lithium hydroxide
formic acid titrated with sodium hydroxide
sodium acetate titrated with nitric acid
Answer & Explanation
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4.2 Ratings (743 Votes)
The best indicator is the one whose pKa matches with the pH of the titration at equivalence point A Titration of ethylamine with HCl The conjugate acid of a weak base is a strong acid So the pH
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