Question

which of the following is a binary molecular compound? BeHCO3, AgI, PCI5, MgS

Answer 1

Explanation:

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BeHCO3

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Answer 2

PCl₅ is a binary molecular compound among them.

Compounds are formed due to a combination of two or more elements combined together in a fixed ratio.

Binary molecular compounds are also called covalent compounds in which a compound formation takes place due to the reaction between two non-metals. Some examples of covalent compounds are CH₄, H₂O, NH₃, PCl₅, CO, N₂O, etc.

The nomenclature of binary molecular compounds often involves the use of prefixes such as mono-, di-, tri-, tetra-, and so on.

Here, the compound BeHCO₃ is formed of more than two atoms, hence it is a polyatomic compound. The compounds AgI and MgS are made of two atoms, however, both are metals. Hence, it is not a binary compound.

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