In which form is oxygen generally found in the atmosphere?
Answer and explanation
Correct answer: O₂
The governing chemistry concept is molecular form. Under ordinary atmospheric conditions, elemental oxygen exists mainly as a diatomic molecule, meaning two oxygen atoms are joined together as O₂. O₃ is ozone, a different allotrope present in much smaller amounts, while CO₂ contains carbon and oxygen and N₂ is molecular nitrogen. Since the question asks for the usual form of oxygen in air, O₂ is the only suitable answer.
Frequently asked questions
What is the correct answer to this question?
O₂
Why is this the correct answer?
The governing chemistry concept is molecular form. Under ordinary atmospheric conditions, elemental oxygen exists mainly as a diatomic molecule, meaning two oxygen atoms are joined together as O₂. O₃ is ozone, a different allotrope present in much smaller amounts, while CO₂ contains carbon and oxygen and N₂ is molecular nitrogen. Since the question asks for the usual form of oxygen in air, O₂ is the only suitable answer.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting.
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