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Alcohols Phenols and Ethers — JEE Main & Advanced NSEC PYQs

19 previous year questions from Alcohols Phenols and Ethers with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

19 questionsNSECSolutions on every page
1

One mole of 4-nitrocatechol (4-nitro-1,2-dihydroxybenzene) on treatment with an excess of NaH followed by one mole of methyl iodide gives -

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An appropriate reagent for the conversion of 1-propanol to 1-propanal is

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Which of the following ethers cannot be prepared by Williamson Synthesis?

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The product of the following reaction is

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Coniferyl alcohol is isolated from pine trees. The following observations were made about this alcohol . I. It forms methylated product with MeI in presence of a base II. One equiv

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In the following reaction, three products a , b , c are obtained. The approximates experimental yields of the three compounds were 64 %, 33 % and 3 % . Which of the following is th

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The best method of preparation of 2-benzyloxynaphthalene is a base catalysed reaction of

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Compound P on treatment with CH ₂ ~N ₂ (diazomethane) produces compound Q . Compound Q on reaction with HI produces two alkyl iodides R and S . Alkyl iodide S with higher number of

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An ether ( X ) with molecular formula C ₅ H ₁₀ O reacts with excess of hot aq. HI to give a product which on further reaction with hot NaOH in ethanol forms 1,3 pentadiene. Structu

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The compound most likely to lose water on protonation is

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The correct order of boiling points of the following compounds is

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Compounds X ( pK _ a 15 ) and Y ( pK _ a 10 ) , both produce H ₂ on treatment with sodium metal and both yield a mixture of isomers on mononitration. X and Y respectively are

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The structure of compound ' X ' ( C ₈ H ₁₁ NO ) based on the following tests and observations is Reagent/s Observation Neutral FeCl ₃ No coloration Lucas reagent Turbidity NaNO ₂ /

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Reaction of C ₆ H ₅ MgBr with phenol gives

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The reagent/s that can be used to separate norethindrone and novestrol from their mixture is/are I. HCl II. NaOH III. NaHCO ₃ IV. NaNH ₂

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Among the following, the compounds with highest and lowest boiling points respectively are

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The major product ' P ' formed in the following reaction is (* denotes radioactive carbon)

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3-tert-butylphenol when reacted separately with excess chlorine, bromine and iodine gave trichloro, di-bromo and mono-iodo derivatives of 3-tert-butylphenol respectively. The corre

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2,4,6 -trinitrophenol is more acidic than phenol. Identify the correct statement(s)

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