P-Block Elements Ques 603

Question: Which of the following on thermal decomposition gives oxygen gas?

Options:

A) $ Ag_2O $

B) $ Pb_3O_4 $

C) $ PbO_2 $

D) All of these

Show Answer

Answer:

Correct Answer: D

Solution:

$ 2Ag_2O( s )\xrightarrow{{}}4Ag( s )+O_2( g ) $ $ 2Pb_3O_4(s)\xrightarrow{{}}6PbO(s)+O_2(g) $ $ 2PbO_2(s)\xrightarrow{{}}2PbO(s)+O_2(g) $



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