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.