Alcohols, Phenols and Ethers
177 Questions
2018
JEE Mains
MCQ
JEE Main 2018 (Online) 15th April Morning Slot
The major product of the following reaction is :
A.
B.
C.
D.
2017
JEE Mains
MCQ
JEE Main 2017 (Online) 9th April Morning Slot
The increasing order of the boiling points for the following compounds is :
A.
(III) < (IV) < (II) < (I)
B.
(IV) < (III) < (I) < (II)
C.
(II) < (III) < (IV) < (I)
D.
(III) < (II) < (I) < (IV)
2017
JEE Mains
MCQ
JEE Main 2017 (Online) 8th April Morning Slot
The major product of the following reaction is :
A.
B.
C.
D.
2016
JEE Mains
MCQ
JEE Main 2016 (Online) 9th April Morning Slot
Bouveault-Blanc reduction reaction involves :
A.
Reduction of an acyl halide with H2/Pd.
B.
Reduction of an ester with Na/C2H5OH.
C.
Reduction of a carbonyl compound with Na/Hg and HCl.
D.
Reduction of an anhydride with LiAlH4.
2016
JEE Mains
MCQ
JEE Main 2016 (Online) 9th April Morning Slot
The gas evolved on heating CH3MgBr in methanol is :
A.
HBr
B.
Methane
C.
Ethane
D.
Propane
2016
JEE Mains
MCQ
JEE Main 2016 (Offline)
$2$-chloro-$2$-methylpentane on reaction with sodium methoxide in methanol yields:
A.
All of these
B.
$(a)$ and $(c)$
C.
$(c)$ only
D.
$(a)$ and $(b)$
2016
JEE Mains
MCQ
JEE Main 2016 (Offline)
The product of the reaction given below is :
A.
B.
C.
D.
2014
JEE Mains
MCQ
JEE Main 2014 (Offline)
The most suitable reagent for the conversion of R - CH2 - OH $\to$ R - CHO is:
A.
CrO3
B.
PCC (Pyridinium Chlorochromate)
C.
KMnO4
D.
K2Cr2O7
2013
JEE Mains
MCQ
JEE Main 2013 (Offline)
An unknown alcohol is treated with the “Lucas reagent” to determine whether the alcohol is primary,
secondary or tertiary. Which alcohol reacts fastest and by what mechanism:
A.
tertiary alcohol by SN1
B.
secondary alcohol by SN2
C.
tertiary alcohol by SN2
D.
secondary alcohol by SN1
2013
JEE Mains
MCQ
JEE Main 2013 (Offline)
Arrange the following compounds in order of decreasing acidity :
A.
${\rm I}{\rm I} > {\rm I}V > {\rm I} > {\rm I}{\rm I}{\rm I}$
B.
${\rm I} > {\rm I}{\rm I} > {\rm I}{\rm I}{\rm I} > {\rm I}V$
C.
${\rm I}{\rm I}{\rm I} > {\rm I} > {\rm I}{\rm I} > {\rm I}V$
D.
${\rm I}V > {\rm I}{\rm I}{\rm I} > {\rm I} > {\rm I}{\rm I}$
2012
JEE Mains
MCQ
AIEEE 2012
Ortho–Nitrophenol is less soluble in water than p– and m– Nitrophenols because :
A.
o–Nitrophenol is more volatile in steam than those of m – and p–isomers
B.
o–Nitrophenol shows Intramolecular H–bonding
C.
o–Nitrophenol shows Intermolecular H–bonding
D.
Melting point of o–Nitrophenol is lower than those of m–and p–isomers.
2011
JEE Mains
MCQ
AIEEE 2011
Phenol is heated with a solution of mixture of KBr and KBrO3. The major product obtained in the above
reaction is
A.
3-Bromophenol
B.
4-Bromophenol
C.
2, 4, 6- Tribromophenol
D.
2-Bromophenol
2010
JEE Mains
MCQ
AIEEE 2010
From amongst the following alcohols the one that would react fastest with conc. HCl and anhydrous
ZnCl2, is
A.
2–Butanol
B.
2–Methylpropan–2–ol
C.
2–Methylpropanol
D.
1–Butanol
2009
JEE Mains
MCQ
AIEEE 2009
The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :
A.
benzoic acid
B.
salicylaldehyde
C.
salicylic acid
D.
phthalic acid
2008
JEE Mains
MCQ
AIEEE 2008
Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid,
gives
A.
2,4,6-trinitrobenzene
B.
o-nitrophenol
C.
p-nitrophenol
D.
nitrobenzene
2007
JEE Mains
MCQ
AIEEE 2007
In the following sequence of reactions,
CH3CH2OH $\buildrel {P + {I_2}} \over \longrightarrow $ A $\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{Mg}} $ B $\buildrel {HCHO} \over \longrightarrow $ C $\buildrel {{H_2}O} \over \longrightarrow $ D
the compound ‘D’ is
CH3CH2OH $\buildrel {P + {I_2}} \over \longrightarrow $ A $\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{Mg}} $ B $\buildrel {HCHO} \over \longrightarrow $ C $\buildrel {{H_2}O} \over \longrightarrow $ D
the compound ‘D’ is
A.
butanal
B.
n-butyl alcohol
C.
n-propyl alcohol
D.
propanal
2006
JEE Mains
MCQ
AIEEE 2006
HBr reacts with CH2 = CH – OCH3 under anhydrous conditions at room temperature to give
A.
CH3CHO and CH3Br
B.
BrCH2CHO and CH3OH
C.
BrCH2 – CH2 – OCH3
D.
H3C – CHBr – OCH3
2006
JEE Mains
MCQ
AIEEE 2006
The structure of the compound that gives a tribromo derivative on treatment with bromine water is
A.
B.
C.
D.
2006
JEE Mains
MCQ
AIEEE 2006
Phenyl magnesium bromide reacts with methanol to give
A.
a mixture of anisole and Mg(OH)Br
B.
a mixture of benzene and Mg(OMe)Br
C.
a mixture of toluene and Mg(OH)Br
D.
a mixture of phenol and Mg(Me)Br
2006
JEE Mains
MCQ
AIEEE 2006
Among the following the one that gives positives iodoform test upon reaction with ${I_2}$ and $NaOH$ is
A.
B.
$PhCHOHC{H_3}$
C.
$C{H_3}C{H_2}CH\left( {OH} \right)C{H_2}C{H_3}$
D.
${C_6}{H_5}C{H_2}C{H_2}OH$
2006
JEE Mains
MCQ
AIEEE 2006
The electrophile involved in the above reaction is
A.
B.
C.
D.
2005
JEE Mains
MCQ
AIEEE 2005
The best reagent to convert pent -3- en-2-ol into pent -3-en-2-one is
A.
Acidic permanganate
B.
Acidic dichromate
C.
Chromic anhydride in glacial acetic acid
D.
Pyridinium chloro – chromate
2005
JEE Mains
MCQ
AIEEE 2005
Acid catalyzed hydration of alkenes except ethene leads to the formation of
A.
primary alcohol
B.
secondary or tertiary alcohol
C.
mixture of primary and secondary alcohols
D.
mixture of secondary and tertiary alcohols
2004
JEE Mains
MCQ
AIEEE 2004
Acetyl bromide reacts with excess of CH3MgI followed by treatment with a saturated solution
of NH4Cl given
A.
acetone
B.
acetyl iodide
C.
2- methyl -2- propanol
D.
acetamide
2004
JEE Mains
MCQ
AIEEE 2004
Among the following compounds which can be dehydrated very easily is
A.
B.
C.
D.
2003
JEE Mains
MCQ
AIEEE 2003
An ethar is more volatile than an alcohol having the same molecular formula. This is due to
A.
alcohols having resonance structures
B.
inter-molecular hydrogen bonding in ethers
C.
inter-molecular hydrogen bonding in alcohols
D.
dipole characters of ethers
2003
JEE Mains
MCQ
AIEEE 2003
During dehydration of alcohols to alkenes by heating with conc. H2SO4 the initiation step is
A.
formation of carbocation
B.
elimination of water
C.
formation of an ester
D.
protonation of alcohol molecule
