Bromothymol Blue

Definition

Bromothymol blue is a pH indicator known for its color change from yellow to blue as the solution changes from acidic to basic.

Analogy

Think of bromothymol blue as a traffic light. When it's "yellow" (acidic), you need to slow down, but when it turns "blue" (basic), you're good to go!

Related terms

Methyl Orange Indicator: Another pH indicator which goes from red in acidic solution to yellow in basic solution. Like another type of traffic light with different colors.

Neutral Solution: A solution with a pH of 7, neither acidic nor basic. This would be like the traffic light being off - there's no specific direction indicated.

pH Indicator Range: The range within which an indicator changes color. It's like knowing at what speeds the traffic light will change colors.