JEE Questions for Chemistry Organic Chemistry Some Basic Principles And Techniques Quiz 4 - MCQExams.com

Which of the following solvents are aprotic ?
Chemistry-Organic Chemistry Some Basic Principles and Techniques-5942.png
  • I , II , III
  • I, III, IV
  • II, III
  • I, III
Vinyl chloride undergoes
  • Only addition reactions
  • Only elimination reactions
  • Both (and (2)
  • substitution reactions
The following compound will undergo electrophilic substitution more readily than benzene
  • nitrobenzene
  • benzoic acid
  • benzaldehyde
  • phenol
The function of AlCl3 in Friedel-Craft's reaction is
  • to absorb HCl
  • to absorb water
  • to produce nucleophile
  • to produce electrophile
Which of the following cannot undergo nucleophilic substitution under ordinary conditions ?
  • Chlorobenzene
  • Tert-butylchloride
  • Isopropyl chloride
  • None of the above
Which of the following is an electrophile ?
  • H2O
  • SO3
  • NH3
  • ROR
Alkyl halide can be converted into alkene by
  • nucleophilic substitution reaction
  • elimination reaction
  • Both (and (2)
  • rearrangement
Nitration of benzene is
  • electrophilic substitution
  • electrophilic addition
  • nucleophilic substitution
  • nucleophilic addition

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5948.png
  • 1, 2, 3 - Tricyanopropane
  • 3 - Cyanopentane - 1,5 - dinitrile
  • Propane - 1,2,3 - tricarbonitrile
  • Propane - 1,2,3 - tricarbylamine
The compound which has one isopropyl group is
  • 2, 2, 3, 3 - Tetramethylpentane
  • 2, 2 - Dimethylpentane
  • 2, 2, 3 -Trimethylpentane
  • 2 - Methylpentane

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5951.png
  • 5, 6-Diethyl-8—methyldec-6-ene
  • 6-Butyl-5-ethyl-3-methyloct-4-ene
  • 5,6-Diethyl-3-methyldec -4 – ene
  • 2,4,5-Triethylnon-3-ene
An organic compound X (molecular formula C6H7O2N) has six carbon atoms in a ring system, two double bonds and a nitro group as substituent, x is
  • Homocyclic and aromatic
  • Homocyclic but not aromatic
  • Aromatic but not homocyclic
  • Heterocyclic and aromatic

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5954.png
  • 4-Hydroxy-1-methylpentanal
  • 4-Hydroxy-2-methylpent -2-en-1–al
  • 2-Hydroxy-4-methylpent-3-en-5-al
  • 2-Hydroxy-3-methylpent-2-en-5-al

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5956.png
  • 4-Methyl-2-pentyne
  • 4,4’-Demethyl-2-butyne
  • Isopropylmethylacetylene
  • 2-Methyl-4-pentyne
The kind of valency that exists in CaH2 and C2H2 is?
  • Electrovalency in CaH2 and covalency in C2H2
  • Electrovalency in both
  • Covalency in CaH2 and electrovalency in C2H2
  • Covalency in both
Which of the following IUPAC names is correct ?
  • 2-Methyl-3-ethylpentane
  • 3-Ethyl-2-methylpentane
  • 2-Ethyl-3-methylpentane
  • 3-Methyl-2-ethylpentane

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5959.png
  • 5-Vinyloct-3-en-1-al
  • 4-Butyl-2,5-hexadien-1-al
  • 5-Vinyloct-5-en-8-al
  • 3-Butyl-1,4-hexadien-8-al
IUPAC name of (CH3)2CH – CH2-CH2Br is
  • 1-Bromopentane
  • 2-Methyl-4-bromobutane
  • 1-Bromo-3-methylbutane
  • 2-Methyl-3-bromopropane

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5962.png
  • 1,1-Dimethylbutane-1,3-diol
  • 1,3,3-Trimethylpropane –1,3-diol
  • 2-Methylpentane-2,4-diol
  • 1,3,3-Trimethyl-1,3-propanediol

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5964.png
  • trans-2-Chloro-3-iodopentene-2
  • cis-2-Chloro-3-iodo-2-pentene
  • trans-3-Iodo-4-chloro-3-Pentene
  • cis-3-Iodo-4-chloro-3-pentene
The IUPAC name of the compound having the molecular formula Cl3C-CH2CHO is
  • 3,3,3-Trichloropropanal
  • 1,1,1-Trichloropropanal
  • 2,2,2-Trichloropropanal
  • Chlora

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5967.png
  • 5-Oxo-4-hydroxy-2-pentanone
  • 4-Hydroxy-5-al-2-pentanone
  • 2-Hydroxy-4-oxopentanal
  • 1-Al-4-oxo-2-pentanol

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5969.png
  • 3,4,4-Trimethylheptane
  • 3,4,4-Trimethyloctane
  • 2-Butyl-2-methyl-3-ethylbutane
  • 2-Ethyl-3, 3-dimethylheptane
The IUPAC name of CH3CH=CHCOOC2H5 is
  • Ethyl but-1-enoate`
  • Ethyl but 2-enoate
  • Ethyl prop-2-enoate
  • None of these

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5972.png
  • Cyclohexanone
  • Cyclohexylmethanone
  • Oxycyclohexene
  • Cyclohexylidenemethanone
IUPAC name of CH2 = CHCN is
  • Ethenenitrile
  • Vinyl cyanide
  • Cyanoethene
  • 2-Propenenitrile

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5975.png
  • Formylmethanal
  • 1,2-Ethanedione
  • 2-Oxoethanal
  • 1,2-Ethanedial
The IUPAC name of the following CH3C(CH3)2CH3CH = CH3 is
  • 2,2-Dimethyl-4-pentene
  • 4,4,-Dimethyl-1-pentene
  • 1,1,1-Trimethyl-3-butene
  • 4,4,4-Trimethyl-1-butene
Which of the following compound has wrong IUPAC name?
  • CH3 - CH2 - CH2 – COO - CH2CH3 ethylbutanoate
  • 2)
    Chemistry-Organic Chemistry Some Basic Principles and Techniques-5978.png

  • Chemistry-Organic Chemistry Some Basic Principles and Techniques-5979.png

  • Chemistry-Organic Chemistry Some Basic Principles and Techniques-5980.png
The IUPAC name of CH3COCH(CH3)2 is
  • 2-methyl-3-butanone
  • 4-methylisopropopyl ketone
  • 3-methyl-2-butanone
  • Isopropyl methyl ketone
Name of the compound given below is
Chemistry-Organic Chemistry Some Basic Principles and Techniques-5983.png
  • 4-ethyl-3-methyloctane
  • 3-methyl-4-ethyloctane
  • 2, 3-diehylheptane
  • 5-ethyl-6-methyloctane

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5985.png
  • 1,1,1,4,4-Pentachloro-2,3-diethyl-butane
  • 3-(Dichloromethyl)-4-(trichloromethyl)-hexane
  • 3-(Trichloromethyl)-4-(dichloromethyl) hexane
  • 1,1,4,4, 4-Pentachloro-2,3-diethylbutane

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5987.png
  • 1,5-Dibromo-2,6-dichloro-3,4-diisopro-pylhexane
  • 2,6-Dibromo-1, 5-dichloro-3, 4-diisopropylhexane
  • 4-(1-Bromo-2-chloroethyl)-5-(2-bromo-1-chloroethyl) octane
  • 4-(2-Bromo-2-chloroethyl) octane-5-(1-bromo-2-chloroethyl) octane
The correct IUPAC name of (HOCH2CH2O)2 CH – COOH is
  • 2,2-Bis (2-hydroxyethoxy) ethanoic acid
  • 4-Carboxy-3, 5-dioxaheptane-1, 7-diol
  • 2,2-Bis(2-hydroxyethoxy)acetic acid
  • None of the above

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5990.png
  • 4-(2-Oxocyclohexyl)butan-2-one
  • 1-(2-Oxocyclohexyl)butan-3-one
  • 4-(2-Oxobutyl)cyclohexan-1-one
  • 2-(3-Oxobutyl)cyclohexan-1-one

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5992.png
  • 6,6’-Dinitrodiphenic acid
  • 6,6’-Dinitrodiphenyl-2,2’dicarboxylic acid
  • 2,2’-Dinitrodiphenyl-6,6’dicarboxylic acid
  • 2,2’-Dinitrodiphenic acid
The IUPAC name of the compound
Chemistry-Organic Chemistry Some Basic Principles and Techniques-5994.png
  • 4-(Benzoylamino)-2-nitrobenzoic acid
  • 4-(Benzamido)-2-nitrobenzoic acid
  • 4-(Benzoylamino)-6-nitrobenzoic acid
  • 4-Benzenecarboxamide-6-nitrobenzoic acid

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5996.png
  • 3-Azacycloheptan-1-one
  • 1-Azacycloheptan-3one
  • 3-Oxo-1—azacycloheptan
  • 1-Oxo-3-azacycloheptane

Chemistry-Organic Chemistry Some Basic Principles and Techniques-5998.png
  • 1-Methyl-2-N-methylcyclohexanecarboxamide
  • 1-(N-Methylcarbamoyl)-2-methylcyclopentane
  • 2-(N-Methylcarbamoyl)-1-methylcyclopentane
  • N,2-Dimethylcyclopentanecar boxamide
The Cl—C—Cl angle in 1, 1, 2, 2--tetrachloroethene and tetrachloromethane respectively will be about
  • 120º and 109. 5
  • 90º and 109.5º
  • 109.5º and 90º
  • 109.5º and 120º
The compound in which C uses only its sp3 - hybrid orbitals for bond formation is
  • HCOOH
  • (H2N)2CO
  • (CH3)3COH
  • CH3CHO
The shortest C-C bond distance is found in
  • Diamond
  • Ethane
  • Benzene
  • Acetylene
The C-C bond length of the following molecules is in the order:
  • C2H6 > CH4 > C6H6 > C2H2
  • C2H2 < C2H4 < C6H6 < C2H6
  • C2H6 > C2H2 > C6H6 > C2H4
  • C2H4 > C2H6 >C2H2 >C6H6
Number of π-electrons in cyclobutadienyl anion (C4H4)2- is
  • 2
  • 4
  • 6
  • 8
Which of the following is the most stable carbocation (carbonium ion ) ?

  • Chemistry-Organic Chemistry Some Basic Principles and Techniques-6002.png
  • 2)
    Chemistry-Organic Chemistry Some Basic Principles and Techniques-6003.png

  • Chemistry-Organic Chemistry Some Basic Principles and Techniques-6004.png

  • Chemistry-Organic Chemistry Some Basic Principles and Techniques-6005.png
Which one of the following has the smallest heat of hydrogenation per mole?
  • 1-Butene
  • trans-2-Butene
  • cis-2-Butene
  • 1, 3-Butadiene
The maximum number of carbon atoms arranged linearly in the molecule, CH3 - C ≡ C -CH = CH2 is
  • 5
  • 4
  • 3
  • 2
Which of the following statements is false about resonance contribution structures ?
  • Contributing structures contribute to the resonance hybrid in proportion of their relative energies
  • Equivalent contributing structures make the resonance very important
  • Contributing structures represent molecules having no real existence
  • Contributing structures are less stable than the resonance hybrid
In which of the compounds given below is there more than one kind of hybridization (sp, sp2, sp3) for carbon?
(i) CH3CH2CH2CH3
(ii) CH3CH = CHCH3
(iii) CH2 = CH – CH = CH2
(iv) H – C ≡ C – H
  • (ii)
  • (iii) and (iv
  • (i) and (iv
  • (ii) and (iii)
Electrophile in the case of chlorination of benzene in presence of FeCl3 is
  • cl+
  • cl–
  • Cl
  • FeCl3
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