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) $
