S Block Elements Question 85

Question: Which of the following oxides of potassium is not known-

Options:

A) $ K_2O $

B) $ K_2O_4 $

C) $ KO_3 $

D) $ K_2O_3 $

Show Answer

Answer:

Correct Answer: B

Solution:

[b] $ O_4^{2-} $ ion is not possible and $ K_2O_4 $ is unknown.