Question

A metal M reacts with O2 to form its oxide with the molecular formula MO. What is the valency of metal M and the nature of oxide formed will be​

Answer 1

Answer:

The valancey is 2.

Explanation:

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Answer 2

Answer:

The valency of metal M is two, if the oxide of metal is a monoxide.

Explanation:

As given that the metal reacts with molecular oxygen :

2M    +    O₂ (g)   $\longrightarrow$   2MO

Valency of an element is the capacity to combine with number of hydrogen atoms. It is also called combining capacity.

We know that in an oxide the valency of oxygen is 2.

We can write MO as M²⁺O²⁻. So, metal as M²⁺ can combine with two hydrogen atoms.

Therefore, the valency of metal M is equal to 2.

When metal M reacts with oxygen. It forms metal oxide MO which is a monoxide.