Question

Metal nitrate on heating gives yellowish brown colored metal oxide with brown gas and a coloureless gas Aqueous dolution react with potassium iodide.equation find

Answer 1

Hope this helps you!

Answer 2

Hey dear,
You posted an erred question. I'll post complete question in image.

● Answers -
Lead nitrate (A)
Nitrogen oxide gas (B)
Oxygen gas (C)
Lead iodide ppt (D)

● Reactions -
Lead nitrate (A) on heating gives yellowish brown lead oxide, brown nitrogen oxide gas (B) and colorless oxygen gas (C).
Pb(NO3)2 --> 2PbO + 4NO2 + O2

Aqueous solution of lead oxide (A) reacts with potassium iodide to form yellow lead iodide ppt (D).
Pb(NO3)2 + 2KI --> PbI2 + 2KNO3

Hope this helped...