What happens when lead nitrate crystals are strongly heated?
Write a chemical equation. Name the brown coloured gas.
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Strong heating of lead nitrate results in the evolution of a brown gas, nitrogen dioxide, and a yellow residue of lead oxide.
2Pb(NO
3
)→2PbO+2NO
2
+O
2
When lead nitrate crystals are heated strongly, a reddish brown coloured gas is released. This is nitrogen dioxide gas. It has an irritating odour. It turns moist blue litmus red. Hence, it is an acidic gas
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