Purification And Characterisation Of Organic Compounds Question 191
Question: Which of the oxide groups among the following cannot be reduced by carbon-
Options:
A) $ Cu_2O,SnO_2 $
B) $ CaO,K_2O $
C) $ PbO,Fe_2O_4 $
D) $ Fe_2O_3,ZnO $
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Ca and K are strong reducing agents, hence their oxides cannot be reduced with carbon.