Multiple Choice
The indicator propyl red has Ka = 3.3 × 10-6. What would be the approximate pH range over which it would change color?
A) 3.5 - 5.5
B) 4.5 - 6.5
C) 5.5 - 7.5
D) 6.5 - 8.5
E) 7.5 - 9.5
Correct Answer:

Verified
Correct Answer:
Verified
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