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  • Give IUPAC name of the compound given below. (i) {2-Chloro-5-hydroxyhexane} (ii){ 2-Hydroxy-5-chlorohexane} (iii) { 5-Chlorohexan-2-ol} (iv) { 2-Chlorohexan-5-ol}

Give IUPAC name of the compound given below.

(i) \text {2-Chloro-5-hydroxyhexane}

(ii)\text { 2-Hydroxy-5-chlorohexane}

(iii) \text { 5-Chlorohexan-2-ol}

(iv) \text { 2-Chlorohexan-5-ol}

 

Answers (1)

The answer is the option (iii). To determine the IUPAC name of any chemical compound, the steps of nomenclature included are –

-  Identifying the functional group and their correct order of priority. -OH having a higher priority, the suffix used will be '-ol'.

- Recognise the parental chain, which is the longest carbon chain containing the functional group. In this care, the

   the chain consists of 6 carbons hence 'hexyl'.

-  Numbering of the chain by giving the smallest number to the functional group and other side chains; thus, '2-ol'.

- Organise the side chain atoms/molecules and give, so they are chloro and 5-chloro in the mentioned compound.

-  The resulting IUPAC name is 5-Chlorohexan-2-ol.

The conclusion of the correct option is (iii) 5-Chlorohexan-2-ol

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