Question

What is the color of lead oxide when hot and when it is cold?

Answer 1

Color of lead oxide when hot

• The chemical formula of Lead oxide is $\mathrm{PbO}$.
• The color of the lead oxide is red/orange in its tetragonal form.
• After heating the color of $\mathrm{PbO}$ changes to yellow.

Color of lead oxide when it is cold

• When the lead oxide is cool, it is yellow or red in color.