The correct decreasing order of priority...

The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is

A

`-CONH_(2),-CHO,-SO_(3)H,-COOH`

B

`-COOH,-SO_(3)H,-CONH_(2),-CHO`

C

`-SO_(3)H,-COOH,-CONH_(2),-CHO`

D

`-CHO,-COOH,-SO_(3)H,-CONH_(2)`

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The correct Answer is:

B

is the correct order

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