Question

What is the brown coloured gas evolved when Lead Nitrate crystals are heated in a dry test tube

Answer 1

The brown coloured evolved on heating Lead Nitrtae (Pb(NO3)2) is --> Nitrogen dioxide(NO2).

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Answer 2

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THE REDDISH-BROWN GAS THAT EVOLVES WHEN LEAD NITRATE IS HEATED IS NITROGEN DI OXIDE.

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