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Chemistry : Aldehydes, Ketones and Carboxylic Acids

Short Answer Type

181. The boiling points of carbonyl compounds are higher than the non-polar alkanes but lower than that of alcohols of comparable molecular mass. Give reasons.

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182. How will you obtain aldehydes from primary alcohols?

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183. How will you prepare ketones from alcohols?

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184. Discuss the method of preparation of an aldehyde from acid chloride.

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Long Answer Type

185. Discuss the preparation of aldehydes and ketones from alkenes.

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186. How will you obtain acetophenone from (i) benzene (ii) ethyl benzene (iii) benzoyl chloride?

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Short Answer Type

187. Name the following compounds according to IUPAC system of nomenclature:
CH₃CH(CH₃)CH₂CH₂CHO

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188. Name the following compounds according to IUPAC system of nomenclature:
CH₃CH₂COCH(C₂H₅)CH₂CH₂Cl

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189. Name the following compounds according to IUPAC system of nomenclature:
CH₃CH = CHCHO

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190. Name the following compounds according to IUPAC system of nomenclature:
CH₃COCH₂COCH₃

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