Question

.Take about 2 g lead nitrate powder in a boiling tube heat it over a flame. What observation do

we observe?

a) White powder will change into yellow coloured compound

b) Emission of Brown fumes takes place

c) Both A and B

d) None of these​

Answer 1

Answer:

The colorless lead (II) nitrate crystals upon heating undergoes thermal decomposition and forms a yellow solid precipitate of lead oxide and evolves "reddish brown fumes" of nitrogen dioxide gas.

Answer 2

Answer:

answer a is correct (white powder will change into yellow coloured compound)