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Per NCERT naming rules for covalent compounds (§9.4.1 C), how is CO named?
ACarbon oxide
BMonocarbon oxide
CCarbon monoxide (using 'mono' prefix on the second element)
DCarbon dioxide
Answer & Solution
Correct answer: C. Carbon monoxide (using 'mono' prefix on the second element)
Per NCERT Examples §9.4.1 C, CO = carbon monoxide. 'Mono' is dropped for the first element but kept for the second.
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