The valency of carbon is 4 and valency of oxygen is 2 . then how can Carbon Monooxide (CO) be stable ?

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Solution

The valency of atoms in covalent compounds is determined by the number of bonds formed by the atoms.In CO molecule carbon forms 3 bonds but contributes only 2 electrons towards bond formation whereas oxygen contributes 4 electrons towards bond formation.One of the three bonds is a coordinate bond where only oxygen atom contributes its two electrons.Thererfore, the valency of carbon is 2 and oxygen is 4 in CO.

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The valency of carbon is 4 and that of oxygen is 2. Write the molecular formula formed between these two elements.

If the valency of hydrogen is 1 and and the valency of carbonate is 2 then how HCO₃ is formed?

{C O}_{3}^{2 -}

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