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Solution Q reacted with aqueous sodium hydroxide producing a gas that changed the color of red litmus paper.

Which of the following could have been solution Q?

A. Ammonium sulphate
B. Calcium sulphate
C. Potassium sulphate
D. Sodium sulphate


Sagot :

Final answer:

In this Chemistry question, the solution Q that reacts with aqueous sodium hydroxide to produce ammonia gas changing the color of red litmus paper is Ammonium sulphate.


Explanation:

Solution Q reacted with aqueous sodium hydroxide producing a gas that changed the color of red litmus paper. The gas produced in this reaction is ammonia (NH3). Therefore, the solution Q that could have been used in this reaction is Ammonium sulphate (NH4)2SO4, represented in option A.


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