1.

What happens when alkali metals are exposed to moist air?(a) formation of nitrates(b) formation of oxides(c) formation of chlorides(d) formation of sulphatesThe question was posed to me during an online exam.The question is from s-Block Elements in chapter s-Block Elements of Chemistry – Class 11

Answer»

The CORRECT OPTION is (b) formation of oxides

Explanation: On exposure to moist air, the surface GETS tarnished due to the formation of oxides, HYDROXIDE and carbonates. Few examples are sodium hydroxide, sodium CARBONATE, potassium hydroxide etc.



Discussion

No Comment Found

Related InterviewSolutions