Multiple choice

Which of the following salts is a skin and respiratory irritant?

  1. Nitrogen dioxide

  2. Osmium tetroxide

  3. Palladium(II) chloride

  4. Palladium(II) nitrate

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

Palladium(II) nitrate is a red-brown solid that is strongly oxidizing and may liberate noxious fumes upon reaction with reducing agents. It is a skin and respiratory irritant. It is normally stable at room temperature but decomposes at higher temperatures.