What is the color of bromcresol green indicator in a solution with a pH value of 2.0?
What is the color of bromcresol green indicator in a solution with a pH value of 2.0? (1) blue (2) green (3) red (4) yellow Answer: Choice 4 Solution: An indicator allows us to figure out the pH range of the solution and whether it is acidic or basic. To do this problem, we need to look at Table M of the Regent Reference Table, Common Acid–Base Indicators. According to the table, bromcresol green, has a pH range for color change of 3.8-5.4 and the color change is yellow to bl