Question

5. Which of the following metals reacts violently with hydrogen?
(a) Calcium
(b) Magnesium
(c) Iron
(d) Sodium​

Answer 1

Answer:

sodium

Explanation:

ID: 623 323 1989

Pass: 000

Answer 2

Answer:

(d) Sodium

Explanation:

All alkali metals (Li, Na, K, Rb, Cs, and Fr) are the most reactive metals in the periodic table and so, they react vigorously or even explosively with cold water, resulting in the displacement of hydrogen.