Which indicator would be the best to use for a titration between 0.30 M (CH 3 )
ID: 829640 • Letter: W
Question
Which indicator would be the best to use for a titration between 0.30 M (CH3)2NH with 0.30 M HI? You will probably need to consult the appropriate table in the book.
phenol red, color change at pH 7-9
bromothymol blue, color change at pH 6-8
alizarin yellow R, color change at pH 10-12
methyl red, color change at pH 4-6
thymol blue, color change at pH 8-10
Selected Answer: 1.phenol red, color change at pH 7-9
2.bromothymol blue, color change at pH 6-8
3.alizarin yellow R, color change at pH 10-12
4.methyl red, color change at pH 4-6
5.thymol blue, color change at pH 8-10
Explanation / Answer
phenol red, color change at pH 7-9
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