Q.

A carbon compound has many functional groups, then order of preference while naming it according to IUPAC nomenclature is

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a

–CHO > –COOH > –OH > –NH2

b

 –COOH > –CHO > –NH2 > –OH

c

–COOH > –OH > – NH2 > –CHO

d

–COOH > –CHO > –OH > –NH2

answer is D.

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Detailed Solution

As a general rule, the functional group includes a higher priority the upper the number of the central carbon is. As a result, carboxylic acids are given precedence over alcohols, and then forth.

Hence, correct option is: (D) –COOH > –CHO > –OH > –NH2

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A carbon compound has many functional groups, then order of preference while naming it according to IUPAC nomenclature is