Multiple choice

What is the name of the compound HgO?

  1. Hydragyrium oxide

  2. Mercurous oxide

  3. Mercuric oxide

  4. Hydragyric oxide

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Valency of oxygen is - 2 and that of mercury is + 2. Therefore, name of the compound is mercuric oxide.