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231. Write structures of the compounds whose IUPAC names are as follows:
1-Ethoxypropane

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232. Write structures of the compounds whose IUPAC names are as follows:
2-Ethoxy-3-methylpentane

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233. Write structures of the compounds whose IUPAC names are as follows:
Cyclohexylmethanol

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234. Write structures of the compounds whose IUPAC names are as follows:
3-Cyclohexylpentan-3-ol

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235. Write structures of the compounds whose IUPAC names are as follows:
Cyclopent-3-en-1-ol

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236. Write structures of the compounds whose IUPAC names are as follows:
3-Chloro methyl pentan-1-ol

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(a) Eight isomeric alcohols are possible:

b) Primary alcohol: pentan-1-ol; methylbutan-1-ol; 3-methyl-1-ol; 2,2Dimethylpropan-1-ol.

Secondary alcohol: Pentan-2-ol; 3-methylbutan-2-ol; pentan-3-ol

Tertiary alcohol: 2-methylbutan-2-ol

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238. What is meant by hydroboration-oxidation reaction? Illustrate it with an example.

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239.

Give the structures and IUPAC names of monohydric phenols of molecular formula, C₇H₈O.

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240.

Give the equations of reaction for the preparation of phenol from cumene.

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