Question

Which of the following metals is most reactive?

• A. Sodium
• B. Aluminium
• C. Copper
• D. Zinc

Hint:

In the reactivity series of metals, alkali metals like sodium are at the top and are highly reactive, especially in water.

Answer 1

The Correct Option is A

Sodium (Na) is an alkali metal known for its high reactivity, especially with water and oxygen. It is much more reactive than aluminium, copper, or zinc. It reacts vigorously with water to form sodium hydroxide and hydrogen gas.