A white, colourless crystalline solid is strongly heated. A sharp crackling sound is produced, reddish-brown fumes are evolved, and the solid residue left behind is yellowish-brown. When a glowing wooden splint is introduced into the evolved fumes, it bursts into flame. The fumes are compo

Question

A white, colourless crystalline solid is strongly heated. A sharp crackling sound is produced, reddish-brown fumes are evolved, and the solid residue left behind is yellowish-brown. When a glowing wooden splint is introduced into the evolved fumes, it bursts into flame. The fumes are composed of:

Accepted Answer

NO2 and O2. Lead nitrate is a white crystalline solid that decomposes with a crackling sound (decrepitation) on heating, giving reddish-brown NO2 gas and O2 gas (which relights a glowing splint), leaving behind yellowish-brown PbO as residue.

A white, colourless crystalline solid is strongly heated. A sharp crackling sound is produced, reddish-brown fumes are evolved, and the solid residue left behind is yellowish-brown. When a glowing wooden splint is introduced into the evolved fumes, it bursts into flame. The fumes are composed of:

Solution

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