Question

15 (i) Write two observations when lead nitrate is heated in a test tube.
(ii) Name the type of reaction.
(iii) Write a balanced chemical equation to represent the above reaction.
on St​

Answer 1

Answer:

Explanation:

Emission of brown fumes

Decomposition reaction

2Pb(NO3)2----> 2PbO + 4No2 +O2

Answer 2

(I)OBSERVATIONS:

1. Brown fumes are emitted(NO2)

2.Lead nitrate which is white in color on heating forms lead oxide which is yellow in color.

(II) Thermal decomposition

(iii)

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