The molecular formula of an alcohol is $C_{4} H_{10} O$ . The locant number of its –OH group is 2. (i) Draw its structural formula. [1 mark] (ii) Give its IUPAC name. [1 mark]

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Solution

(i) The molecular formula of an alcohol is C4H10O. The locant number of its –OH group is 2. So, the –OH group is attached to the second carbon atom. Thus, its structural formula is:

[1 mark]

(ii) Its IUPAC name is Butan-2-ol. [1 mark]

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The molecular formula of an alcohol is C4H10O. The locant number of its –OH group is 2. (i) Draw its structural formula. [1 mark] (ii) Give its IUPAC name. [1 mark]

(i) The molecular formula of an alcohol is C4H10O. The locant number of its –OH group is 2. So, the –OH group is attached to the second carbon atom. Thus, its structural formula is: [1 mark] (ii) Its IUPAC name is Butan-2-ol. [1 mark]

The molecular formula of an alcohol is $C_{4} H_{10} O$ . The locant number of its –OH group is 2. (i) Draw its structural formula. [1 mark] (ii) Give its IUPAC name. [1 mark]

(i) The molecular formula of an alcohol is C4H10O. The locant number of its –OH group is 2. So, the –OH group is attached to the second carbon atom. Thus, its structural formula is:

[1 mark]

(ii) Its IUPAC name is Butan-2-ol. [1 mark]