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).