Classification and nomenclatureMedium
Question
In IUPAC nomenclature, the correct order of decreasing priority of functional group is :
Options
A.$- {CONH}_{2}, > C = O, - CHO, - {NH}_{2}, - C \equiv C -$
B.$- {CONH}_{2}, - {COOCH}_{3}, - CHO, - {NH}_{2}, - OH$
C.$- {CONH}_{2}, - CHO, > C = O, - {NH}_{2}, - C \equiv C -$
D.$- {CONH}_{2}, - CHO, - CN, - {NH}_{2}, - C \equiv C -$
Solution
Sol. [Key Concept: Apply the IUPAC seniority order of functional groups (acid amide $>$ ... $>$ amine).]
Theory based
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