JAMB Chemistry 1979 Question 18

If chlorine gas is bubbled into water and then this yellowish-green coloured solution is exposed to bright sunlight for a while:

1. A.the solution will give out chlorine gas and hydrogen chloride gas
2. B.the solution will produce chlorine gas and oxygen
3. C.the solution will give out oxygen thereby producing hypochlorous acid
4. D.the solution will give out oxygen gas leaving behind aqueous hydrochloric acid
5. E.the solution is decomposed, giving out oxygen, hydrogen and chlorine.