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.