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MediumChemistry
+4 / -1
The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is;
A
–COOH > –SO3H > –CONH2 > –CHO
B
–SO3H > –COOH, –CONH2 > –CHO
C
–CHO > –COOH > –SO3H > –CONH2
D
–CONH2 > –CHO > –SO3H > –COOH

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