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Methyl Red Is a Common Acid-Base Indicator

Question 65

Multiple Choice

Methyl red is a common acid-base indicator.It has a Ka equal to 6.3 × 10-6.Its un-ionized form is red and its anionic form is yellow.What color would a methyl red solution have at pH = 7.8?


A) green
B) red
C) blue
D) yellow
E) violet

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