Question 33
HalogensUse the diagram to answer questions 33 and 34.
The gas that can be used to demonstrate the experiment is
- A.hydrogen chloride
- B.hydrogen sulphide
- C.nitrogen(II) oxide
- D.dinitrogen(I) oxide.
Show the answer and explanation
Answer: A (hydrogen chloride)
Explanation
The fountain experiment needs a gas that is extremely soluble in water. Hydrogen chloride dissolves so fast that water rushes up into the flask.