S Block Elements Question 155

Question: Which of the following does not form an oxide on heating-

Options:

A) $ ZnCO_3 $

B) $ CaCO_3 $

C) $ Li_2CO_3 $

D) $ Na_2CO_3 $

Show Answer

Answer:

Correct Answer: D

Solution:

[d] $ Na_2CO_2 $ does not decompose to form $ Na_2O $