Question

On the basis of activity series of metals how do you differentiate between gold and sodium

with respect to formation of oxides?

a. Sodium forms oxides at ordinary temperature but gold does not form oxide even on

strong heating

b. Both sodium and gold form oxides at ordinary temperature

c. Both sodium and gold do not form oxide even on strong heating

d. Sodium does not form oxide even on strong heating but gold forms oxide at ordinary

temperature​

Answer 1

Answer:

Option a is correct.

Explanation:

As per the reactivity, Sodium is more reactive compared to a noble metal i.e. gold.