Question

Triatomic molecule among the following is

• A. Ozone
• B. Phosphorus
• C. Sulfur
• D. Carbon

Answer 1

The correct option is A

Ozone

Explanation of correct option:

Option (A): Ozone

Atomicity: Atomicity is defined as the number of atoms of a particular element present in a molecule.

• Triatomic molecules are molecules composed of three atoms, of either the same or different chemical elements.
• Ozone(O₃) is a triatomic molecule because ozone contains three oxygen atoms.

Explanation of incorrect options:

Option (B): Phosphorus

• The term polyatomic is used for a molecule or an ion that contains either three or more than three atoms.
• Phosphorus(P₄) is polyatomic because it contains four Phosphorous atoms.

Option (C): Sulfur

• Sulphur(S₈) is called as polyatomic because each sulphur molecule is made up of 8 sulphur atoms

Option (D): Carbon

• Carbon is known as monoatomic because it occur as single carbon atom.

Hence, the correct answer is Option (A).