Alcohols, Phenols and Ethers PYQs
All NEET previous year questions from Alcohols, Phenols and Ethers — with explanations.
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Match List I with List II: Choose the correct answer from the options given below:
The functional group that can be identified through phthalein dye test is:
Two products X and Y are formed in the following reaction sequence. The suitable method that can be used for separation of products X and Y is:
The major product of the following reaction is :
Identify the suitable reagent for the following conversion.
Which one of the following alcohols reacts instantaneously with Lucas reagent?Which one of the following alcohols reacts instantaneously with Lucas reagent?
Intramolecular hydrogen bonding is present in:
Major products A and B formed in the following reaction sequence are:
Consider the following reaction and identify the product (P).
Identify the final product [D] obtained in the following sequence of reactions.
Which amongst the following will be most readily dehydrated under acidic conditions?
Consider the following reaction: Consider the following reaction:
Given below are two statements: Statement I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group. Statement II: o-nitrophenol, m-nitrophenol and p-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring. Choose the most appropriate answer.
Given below are two statements: Statement I: In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. HCl + ZnCl₂, known as Lucas reagent. Statement II: Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas reagent. Choose the most appropriate answer.
The major product formed in dehydrohalogenation reaction of 2-Bromo pentane is Pent-2-ene. This product formation is based on?
What is the IUPAC name of the organic compound formed in the following chemical reaction?
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Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give:
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Anisole on cleavage with HI gives:
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The reaction that does not give benzoic acid as the major product is
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When vapours of a secondary alcohol is passed over heated copper at 573 K, the product formed is
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The major products C and D formed in the following reaction is:
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The compound A on treatment with Na gives B, and with PCl₅ gives C. B and C react together to give diethyl ether. A, B and C are in the order
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In the reaction
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The heating of phenyl-methyl ether with HI produces:
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The most suitable method for separation of a mixture of ortho and para-nitrophenols is:
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Which one of the following compounds is the most acidic?
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Which one of the following compounds shows the presence of intramolecular hydrogen bond?
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Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional groups?
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The following reaction is known by the name:
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Which one of the following esters gets hydrolysed most easily under alkaline conditions?
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Which of the following is not the product of dehydration of the given alcohol?
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Among the following sets of reactants which one produces anisole?
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Among the following ethers, which one will produce methyl alcohol on treatment with hot concentrated HI?
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Which of the following compounds can be used as antifreeze in automobile radiators?
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Match the compounds given in List-I with List-II and select the suitable option using the code given below:
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Among the following four compounds: (i) Phenol (ii) Methyl phenol (iii) Meta-nitrophenol (iv) Para-nitrophenol. The acidity order is:
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When glycerol is treated with excess of HI, it produces:
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Match the compounds given in List I with their characteristic reactions given in List II. Select the correct option.
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Which one of the following compounds will be most readily dehydrated?
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What is the dominant intermolecular force or bond that must be overcome in converting liquid to a gas?
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H₂COH.CH₂OH on heating with periodic acid gives:
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The general molecular formula which represents the homologous series of alkanols is:
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Ethylene oxide when treated with Grignard reagent yields:
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Which one of the following compounds is most acidic?
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