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

(a) $- COOH ,- SO _3 H ,- CONH _2,- CHO$

(b) $- SO _3 H ,- COOH ,- CONH _2,- CHO$

(c) $- CHO ,- COOH ,- SO _3 H ,- CONH _2$

(d) $- CONH _2,- CHO ,- SO _3 H ,- COOH$

Question

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

(a) [latex] - COOH ,- SO _3 H ,- CONH _2,- CHO [/latex]

(b) [latex] - SO _3 H ,- COOH ,- CONH _2,- CHO [/latex]

(c) [latex] - CHO ,- COOH ,- SO _3 H ,- CONH _2 [/latex]

(d) [latex] - CONH _2,- CHO ,- SO _3 H ,- COOH [/latex]

Accepted Answer

(b) [latex] - SO _3 H ,- COOH ,- CONH _2,- CHO [/latex]

Chapter 1