The correct decreasing order of priority for the functional groups of organic compound in the IUPAC system nomenclature is:
A
-CHO, - COOH, -SO3H−CONH2
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B
−CONH2, - CHO, -SO3H, - COOH
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C
-COOH, -SO3H,−CONH2, -CHO
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D
−SO3H,−COOH,−CONH2, -CHO
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Solution
The correct option is C -COOH, -SO3H,−CONH2, -CHO The correct decreasing order of priority for the functional groups of organic compounds in IUPAC system of nomenclature is: −COOH>SO3H>−CONH2>−CHO