Question

A nitrate 'A' on heating gives yellowish brown coloured metal oxide along with brown gas 'B' and colourless gas 'C'.Aqueous solution of 'A' on reaction with potassium iodide forms a yellow precipitate of compound 'D'angelo. Identify A, B,C,D.Also identify the types of both the reactions.Write the balanced chemical reactions.​And sorry it's not maths it is chemistry please answer

Answer 1

Answer:

Hey there,

A is Pb(NO3)2

Reaction:

Pb(NO3)2 --Heat--> PbO + O2 + N2

• Colourless gas is O2,

C is O2

• Brown gas is N2,

B is N2

Next reaction:

Pb(NO3)2 (aq) + KI ------> PbI2 (ppt) + KNO3

• PbI2 is yellow presipitate

D is PbI2

Hope it helps you

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