Question 3 of 5
2 Points
The pH indicator bromothymol blue is blue in an alkaline solution and yellow
in an acidic solution. A slight increase in acidity, such as when CO2 gas is
added, causes a solution with the indicator to change from blue to yellow.
A solution with the indicator would be most likely to turn from yellow to blue
when which combination of factors exists?
A. A person blows air into the solution through a straw.
B. Algae are placed in the solution and left in a dark room.
C. Yeast cells and sugar are placed in the solution.
D. Water plants in the solution are placed under a bright lamp.

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.

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explanation:

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