Alcohols, Phenols and Ethers · Chemistry · JEE Main

Match List I with List II Choose the correct answer from the options given below :...

Which one the following compounds will readily react with dilute $$\mathrm{NaOH}$$ ?

Identify the major products A and B respectively in the following set of reactions. ...

The major products formed : A and B respectively are :...

In Reimer - Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of intermediate is __________.

Consider the above reaction sequence and identify the major product P....

Which one of the following reactions is NOT possible?

Given below are two statement : Statements I : Bromination of phenol in solvent with low polarity such as $$\mathrm{CHCl}_3$$ or $$\mathrm{CS}_2$$ req...

For the Compounds : (A) $$\mathrm{H}_3 \mathrm{C}-\mathrm{CH}_2-\mathrm{O}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_3$$ (B) $$\mathrm{H}_3 \mathrm{C}-\...

Common name of Benzene - 1,2 - diol is -

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Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Alcohols react both as nucleophiles...

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: $$\mathrm{pK}_{\mathrm{a}}$$ value ...

Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolyzed in presence of an acid results

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The major product(P) in the following reaction is ...

Major product formed in the following reaction is a mixture of : ...

Phenolic group can be identified by a positive:

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Given below are two statements : Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol. Statement (II) : Ethanol will give...

The ascending order of acidity of $$-\mathrm{OH}$$ group in the following compounds is : Choose the correct answer from the options given below:...

'A' formed in the above reaction is...

The major product for the following reaction is: ...

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Order of acidic nature of the foll...

2-Methyl propyl bromide reacts with $$\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{O}^{-}$$ and gives 'A' whereas on reaction with $$\mathrm{C}_{2} \mathrm{H...

Correct statements for the given reaction are : A. Compound '$$\mathrm{B}$$' is aromatic B. The completion of above reaction is very slow C. 'A' show...

Compound 'B' is ...

Product [X] formed in the above reaction is :...

Arrange the following compounds in increasing order of rate of aromatic electrophilic substitution reaction ...

The correct order for acidity of the following hydroxyl compound is : A. $$\mathrm{CH}_{3} \mathrm{OH}$$ B. $$\left(\mathrm{CH}_{3}\right)_{3} \mathrm...

Incorrect method of preparation for alcohols from the following is:

Suitable reaction condition for preparation of Methyl phenyl ether is

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Butan -1- ol has higher boiling poi...

The water gas on reacting with cobalt as a catalyst forms

The strongest acid from the following is

The graph which represents the following reaction is : ...

Identify the incorrect option from the following

Decreasing order of dehydration of the following alcohols is ...

Compound $\mathrm{A}, \mathrm{C}_{5} \mathrm{H}_{10} \mathrm{O}_{5}$, given a tetraacetate with $\mathrm{Ac}_{2} \mathrm{O}$ and oxidation of $\mathrm...

An organic compound 'A' with emperical formula $$\mathrm{C}_{6} \mathrm{H}_{6} \mathrm{O}$$ gives sooty flame on burning. Its reaction with bromine so...

The correct order of $\mathrm{pK}_{\mathrm{a}}$ values for the following compounds is: ...

A solution of $$\mathrm{Cr O_5}$$ in amyl alcohol has a __________ colour.

Find out the major product for the following reaction. ...

The increasing order of $$\mathrm{pK_a}$$ for the following phenols is (A) 2, 4 - Dinitrophenol (B) 4 - Nitrophenol (C) 2, 4, 5 - Trimethylphenol (D) ...

Find out the major product from the following reaction. ...

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Butylated hydroxy anisole when adde...

In the cumene to phenol preparation in presence of air, the intermediate is

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : Acetal / Ketal is stable in basi...

'A' and 'B' formed in the following set of reactions are : ...

When ethanol is heated with conc. $$\mathrm{H}_{2} \mathrm{SO}_{4}$$, a gas is produced. The compound formed, when this gas is treated with cold dilut...

A compound 'X' is acidic and it is soluble in NaOH solution, but insoluble in NaHCO3 solution. Compound 'X' also gives violet colour with neutral FeCl...

Compound I is heated with Conc. HI to give a hydroxy compound A which is further heated with Zn dust to give compound B. Identify A and B. ...

Choose the correct option for the following reactions. ...

Identify the major products A and B for the below given reaction sequence. ...

In the above reaction product B is :...

Hydrolysis of which compound will give carbolic acid?

The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to :

Which reactant will give the following alcohol on reaction with one mole of phenyl magnesium bromide $$(\mathrm{PhMgBr})$$ followed by acidic hydrolys...

The major product of the following reaction is ...

Most stable product of the following reaction is: ...

Given below are two statements : Statement I : On heating with $$\mathrm{KHSO}_{4}$$, glycerol is dehydrated and acrolein is formed. Statement II : Ac...

Consider the above reaction sequence. Identify the component A and component B :...

Given below are two statements : Statement I : Phenols are weakly acidic. Statement II : Therefore they are freely soluble in NaOH solution and are we...

The major product (P) of the given reaction is (where, Me is $$-$$CH3) ...

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Consider the above reaction sequence and identify the product B....

In the given reaction 'A' can be...

The major product formed in the following reaction, is ...

The intermediate X, in the reaction : ...

In the following reaction : The compounds A and B respectively are :...

Hex-4-ene-2-ol on treatment with PCC gives 'A'. 'A' on reaction with sodium hypoiodite gives 'B', which on further heating with soda lime gives 'C'. T...

The major product formed in the following reaction is :...

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Treatment of bromine water ...

The major product of the following reaction, if it occurs by SN2 mechanism is :...

In the following sequence of reactions, the final product D is :...

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Synthesis of ethyl phenyl e...

Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H2SO4 ?

The correct options for the products A and B of the following reactions are :...

Consider the above reaction, the major product "P" formed is :...

Consider the above reaction, and choose the correct statement :...

Consider the above reaction and identify the Product P :...

Consider the above reaction, the major product 'P' is :...

Which of the following compounds will provide a tertiary alcohol or reaction with excess of CH3MgBr followed by hydrolysis?

An organic compound A (C6H6O) gives dark green colouration with ferric chloride. On treatment with CHCl3 and KOH, followed by acidification gives comp...

In the given reaction 3-Bromo-2, 2-dimethyl butane $$\buildrel {{C_2}{H_5}OH} \over \longrightarrow \mathop {'A'}\limits_{(Major\,\Pr oduct)} $$ Pro...

The structure of X is :...

Ceric ammonium nitrate and CHCl3/alc. KOH are used for the identification of functional groups present in __________ and _______ respectively....

Identify A in the given reaction....

Identify the major products A and B respectively in the following reactions of phenol :...

Given below are two statements : Statement I : o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding.Statement II : o-Nitrophenol has...

B reacts with Hydroxyl amine but does not give Tollen's test. Identify A and B....

What is 'X' in the given reaction?...

Which of the following compound gives pink colour on reaction with phthalic anhydride in conc. H2SO4 followed by treatment with NaOH ?...

What is the final product (major) 'A' in the given reaction ? ...

The major product of the following reaction is : ...

The major product [R] in the following sequence of reactions as : ...

The major product [B] in the following reactions is : ...

When neopentyl alcohol is heated with an acid, it slowly converted into an 85 : 15 mixture of alkenes A and B, respectively. What are these alkenes?

Consider the following reaction : The product 'P' gives positive ceric ammonium nitrate test. This is because of the presence of which of these –OH g...

The major product of the following reaction is : ...

An organic compound ‘A’ (C9H10O) when treated with conc. HI undergoes cleavage to yield compounds ‘B’ and ‘C’. ‘B’ gives yellow precipitate with AgNO3...

The major aromatic product C in the following reaction sequence will be : ...

Among the compounds A and B with molecular formula C9H18O3 , A is having higher boiling point the B. The possible structures of A and B are :...

The major product of the following reaction is : ...

Arrange the following compounds in increasing order of C–OH bond length : methanol, phenol, p-ethoxyphenol

The correct order of stability for the following alkoxides is : ...

What will be the major product when m-cresol is reacted with propargyl bromide (HC$$ \equiv $$C–CH2Br) in presence of K2CO3 in acetone? ...

The major product of the following reaction is : ...

The major product of the following reaction is : ...

The major product of the following reaction is : ...

Aniline dissolved in dilute HCl is reacted with sodium nitrite at 0ºC. This solution was added dropwise to a solution containing equimolar mixture of ...

The major product of the following reaction is : $${\rm{C}}{{\rm{H}}_3}{\rm{CH = CHC}}{{\rm{O}}_2}{\rm{CH_3 }}\buildrel {LiAl{H_4}} \over \longright...

The major product of the following reaction is : ...

can not be prepared by - ...

The major product of the following reaction is : ...

The major product of the following reaction is ...

The major product of the following reaction is : ...

The major product of the following reaction ...

The major product 'X' formed in the following reaction is : ...

The increasing order of the pKa values of the following compounds is : ...

The major product formed in the following reaction is : ...

Phenol reacts with methyl chloroformate in the presence of NaOH to form product A. A reacts with Br2 to form product B. A and B are respectively :...

Phenol on treatment with CO2 in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with (CH3CO)2O...

The total number of optically active compounds formed in the following reactio is : ...

The major product of the following reaction is : ...

The increasing order of the boiling points for the following compounds is : ...

The major product of the following reaction is : ...

The gas evolved on heating CH3MgBr in methanol is :

Bouveault-Blanc reduction reaction involves :

$$2$$-chloro-$$2$$-methylpentane on reaction with sodium methoxide in methanol yields: ...

The product of the reaction given below is : ...

The most suitable reagent for the conversion of R - CH2 - OH $$\to$$ R - CHO is:

Arrange the following compounds in order of decreasing acidity : ...

An unknown alcohol is treated with the “Lucas reagent” to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastes...

Ortho–Nitrophenol is less soluble in water than p– and m– Nitrophenols because :

Phenol is heated with a solution of mixture of KBr and KBrO3. The major product obtained in the above reaction is

From amongst the following alcohols the one that would react fastest with conc. HCl and anhydrous ZnCl2, is

The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :

Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives

In the following sequence of reactions, CH3CH2OH $$\buildrel {P + {I_2}} \over \longrightarrow $$ A $$\mathrel{\mathop{\kern0pt\longrightarrow} \lim...

The structure of the compound that gives a tribromo derivative on treatment with bromine water is

Phenyl magnesium bromide reacts with methanol to give

HBr reacts with CH2 = CH – OCH3 under anhydrous conditions at room temperature to give

The electrophile involved in the above reaction is ...

Among the following the one that gives positives iodoform test upon reaction with $${I_2}$$ and $$NaOH$$ is

Acid catalyzed hydration of alkenes except ethene leads to the formation of

The best reagent to convert pent -3- en-2-ol into pent -3-en-2-one is

Among the following compounds which can be dehydrated very easily is

Acetyl bromide reacts with excess of CH3MgI followed by treatment with a saturated solution of NH4Cl given

During dehydration of alcohols to alkenes by heating with conc. H2SO4 the initiation step is

An ethar is more volatile than an alcohol having the same molecular formula. This is due to

Consider the given chemical reaction sequence : Total sum of oxygen atoms in Product A and Product B are ________....

The number of hyperconjugation structures involved to stabilize carbocation formed in the above reaction is _________....

The ratio x/y on completion of the above reaction is __________....

Among the following, the number of compounds which will give positive iodoform reaction is _________ (a) 1-Phenylbutan-2-one (b) 2-Methylbutan-2-ol (c...

The denticity of the ligand present in the Fehling's reagent is ___________.

In the following reaction The $$\%$$ yield for reaction I is $$60 \%$$ and that of reaction II is $$50 \%$$. The overall yield of the complete reacti...

The number of chiral alcohol(s) with molecular formula C4H10O is ________.

In the given reaction, the number of sp2 hybridised carbon(s) in compound 'X' is ________....

Compound 'P' on nitration with dil. HNO3 yields two isomers (A) and (B). These isomers can be separated by steam distillation. Isomers (A) and (B) sho...

To synthesize 1.0 mole of 2-methylpropan-2-ol from Ethylethanoate ___________ equivalents of CH3MgBr Reagent will be required. (Integer value)...

A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percentage of carbon in P is ______. (...

Which of the following compounds reacts with ethylmagnesium bromide and also decolourizes bromine water solution: