Unit 22: Hydroxy Compounds — Mcqs

Q1.I.Which compound can be oxidised to form (CH₃)₂CHCOCH₃?

Q1.II.Which alcohol forms a mixture of alkenes when dehydrated?

Q1.III.Which alcohol can be oxidised by acidified potassium dichromate(VI) but cannot be dehydrated by heating with concentrated sulfuric acid?

Q1.IV.Which one of the following mechanisms is not involved in the reaction sequence below? [Reaction scheme: CH₃CH₃ → CH₃CH₂Cl → CH₃CH₂OH → CH₂=CH₂ → CH₃CH₂Br]

Q1.V.Which one of the following does not represent an oxidation?

Q1.VI.Dehydration of alcohol is an example of

Q1.VII.Bromine reacts with phenol and decolourise orange color and turns it to which of the colored precipitate?

Q1.VIII.When phenol is treated with excess bromine water, what product does it give? [printed stem reads: "When phenol is treated with excess bromine water it gives m-bromophenol?"]

Q1.IX.What are the correct reagents for the conversion below? [CH₃CH₂CHOHCH₃ → CH₃CH₂CHBrCH₃]

Q1.X.Give a chemical test used in distinguishing propan-1-ol and propan-2-ol.