Which of the following is an allotrope of oxygen?

 Which of the following is an allotrope of oxygen?

A. protium

B. chlorodium

C. ozone

D. deutereum

An allotrope is a different structural form of the same element in the same physical state.

Explanation:

• Oxygen exists in different allotropic forms, the most common being:

  • Oxygen (O₂)

  • Ozone (O₃)

Checking the options:

• Protium – an isotope of hydrogen ❌

• Chlorodium – not an allotrope of oxygen ❌

• Ozone – an allotrope of oxygen (O₃) ✅

• Deuterium – an isotope of hydrogen ❌

✅ Correct Answer:

C. ozone

PQN: 32