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    Exam 8: Applications of Aqueous Equilibria
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    Methyl Orange Is an Indicator with a K<sub>a</sub> of 1
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Methyl Orange Is an Indicator with a Ka of 1

Question 26

Question 26

Multiple Choice

Methyl orange is an indicator with a Ka of 1 × 10-4. Its acid form, HIn, is red, while its base form, In-, is yellow. At pH 6.0, the indicator will be


A) yellow.
B) orange.
C) red.
D) blue.
E) not enough information

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