Which group is always taken as a substituent in the IUPAC system of nomenclature?

- N O_{2}

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- C \equiv N

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- N \equiv C

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- N H_{2}

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Solution

The correct option is A $- N O_{2}$
Nitro group $(- N O_{2})$ is always taken as a substituent in the IUPAC system of nomenclature.

For example, nitroethane, nitrobenzene, p-nitro toluene, etc.

Option A is correct.

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Similar questions

Which of the following groups is/are always taken as a substituent in IUPAC nomenclature of organic compounds?

(1) $- C \equiv N$ , (2) $- C O N H_{2}$ , (3) $- O | | C -$ , (4) $- C H O$
The decreasing order of priority for the given functional groups (for IUPAC nomenclature) is:

In the following compound, according to the rules of IUPAC nomenclature, the groups designated as A, B, C will be numbered as:

Q. Decreasing

- I

effect of the given group is :
(a)

- C N

(b)

N O_{2}

(c)

- N H_{2}

(d)

- F

The decreasding order of priority for the following functional groups (for IUPAC nomenclature) is:
(1) $- C O N H_{2}$ > (2) $- C \equiv N$ > (3) $- C H O$ > (4) $- O | | C -$

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Which group is always taken as a substituent in the IUPAC system of nomenclature?

The correct option is A −NO2Nitro group (−NO2) is always taken as a substituent in the IUPAC system of nomenclature.For example, nitroethane, nitrobenzene, p-nitro toluene, etc.Option A is correct.

The correct option is A $- N O_{2}$
Nitro group $(- N O_{2})$ is always taken as a substituent in the IUPAC system of nomenclature.

For example, nitroethane, nitrobenzene, p-nitro toluene, etc.

Option A is correct.