alleryCO is named carbon:
ATrioxide
BDioxides
CMonoacid
DMonoxide
Answer & Solution
Correct answer: D. Monoxide
1. One oxygen atom takes the prefix mono.
2. The last vowel is dropped before the vowel of oxide.
3. So CO is named carbon monoxide, not monooxide.
4. The answer is monoxide.
_Source: syllabus Science, Ch 9 'Atomic Foundations of Matter'_
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