When lead nitrate powder is heated in a boiling tube, we observe : (a) Brown fumes of nitrogen dioxide

When lead nitrate powder is heated in a boiling tube, we observe :

(a) Brown fumes of nitrogen dioxide

(b) Brown fumes of lead oxide

(c) Yellow fumes of nitrogen dioxide

(d) Brown fumes of nitric oxide

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct answer is (a) Brown fumes of nitrogen dioxide

\(2 pb (NO_3)_2\) \(\overset{\text{heat}}{\longrightarrow}\) \(\underset{\text{Light yellow}}{2pbO↑} + \underset{\text{Reddish-Brown}}{4NO2↑}\)_{\(+ \underset{\text{colourless}}{O_2\uparrow}\)}

Hence, The brown fumes will be nitrogen dioxide.

4 views Answered 2023-02-05 15:29

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