S Block Elements Question 220
Question: The most dangerous method of preparing hydrogen would be by the action of $ HCl $ and
[JIPMER 2000]
Options:
A) $ Al $
B) $ K $
C) $ Fe $
D) $ Zn $
Show Answer
Answer:
Correct Answer: B
Solution:
$ 2K+2HCl\to 2KCl+H_2 $ (violent reaction).