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Question 6 • FL-2003350-Chemistry 1 Honors

Predict the outcome if a solution of yellow bromothymol blue in water is treated with a large excess of H2SO4.

Answer
A
The solution will remain yellow.
B
The solution will shift to blue.
C
The solution will shift to green

Explanation

Bromothymol blue is yellow in acidic solutions and blue in basic solutions. Adding a large excess of sulfuric acid keeps the solution strongly acidic, so it remains yellow rather than shifting to blue or green.

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