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 sequence.

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