Question

when lead nitrate crystal are heated in a test tube the colour of the residue will be. color name​

Answer 1

Answer:

When lead nitrate is heated, it decomposes to give lead oxide, nitrogen dioxide and oxygen. Lead oxide is a yellow coloured solid, while nitrogen dioxide is a brown coloured gas. The chemical equation involved in the reaction is : Hence, the colour of the residue obtained by heating lead nitrate is yellow.