JEE Questions for Chemistry Hydrocarbons Quiz 10 - MCQExams.com

The major product formed by monobromination of methyl cyclopentane is-----

  • Chemistry-Hydrocarbons-4864.png
  • 2)
    Chemistry-Hydrocarbons-4865.png

  • Chemistry-Hydrocarbons-4866.png

  • Chemistry-Hydrocarbons-4867.png
Alkene usually show which type of reaction ?
  • Substitution
  • Addition
  • Elimination
  • Rearrangement
When ethene treated with Br2 in presence of CCl4 Which compound is formed
  • 1, 2-dibromoethane
  • 1-bromo-2-chloroethane
  • Both(A) and (B)
  • 1-bromo ethaen
When butane 2-ol is heated with H2SO4 the major product is
  • But-1-en
  • But-2-en
  • 2-methyl propene
  • Buta -1, 3-diene

Chemistry-Hydrocarbons-4871.png
  • Ethanol
  • Ethlene glycol
  • Ethane
  • Ethanoic Acid
In following reaction what will be the major product
CH3CH = CH2 + HCl → Product
  • propane
  • 1-chloro propane
  • 2-chloro propane
  • Propanol

Chemistry-Hydrocarbons-4874.png
  • 1-bromo propane
  • 2-bromo propane
  • propyne
  • propane
when 3-phenyl propene reacts with HBr in the presence of peroxide, the major product form is
  • 2-bromo-1-phenyl propane
  • 1,2-dibromo-3-phenyl propane
  • 3-(0-bromo phenyl )propane
  • 1-bromo-3-phenyl propane
Baeyer`s Test is used in the laboratory for
  • Detection of alcohol
  • Detection of double bonds
  • Detection of Glucose
  • Detection of amines
Dilute aqueous KMnO4 reacts with R – CH = CH - R to give
  • R - CHO
  • R - COOH

  • Chemistry-Hydrocarbons-4878.png

  • Chemistry-Hydrocarbons-4879.png
Alkene RCH = CH – R reacts with Conc. KMnO4 to give

  • Chemistry-Hydrocarbons-4880.png
  • R - COOH

  • Chemistry-Hydrocarbons-4881.png
  • R - CHO
Ethylene reacts with Ozone gas to form the compund
  • HCHO
  • C2H5OH

  • Chemistry-Hydrocarbons-4883.png
  • CH3CHO
Cyclopentene on treatment with alkaline KMnO4 gives
  • Cyclopentanol
  • trans Cyclopenta-1, 2-diol
  • Cis-1, 2-Cyclopentadiol
  • (B) and (C) both
Ethene with acidic KMnO4 solution gives
  • Ethylene glycol
  • Ethylene oxide
  • Formaldehyde
  • Acetaldehyde

Chemistry-Hydrocarbons-4887.png
  • Ethane
  • Ethene
  • Ethyne
  • Ethyl bromide
The addition of HBr to pent-2-ene gives
  • 2-bromo pentane
  • 3-bromo pentane
  • Mixture of(A) and (B)
  • 1- bromopentane
Identity B in the following sequence of reactions
Chemistry-Hydrocarbons-4890.png
  • 2CH3CHO
  • 2CH3COCH3
  • 2CH3COOH
  • CH3CH2CH2CH3
A hydrocarbon reacts with hypochlorous acid to give 1-chloro-2-hydroxy ethane, The hydrocarbon will be
  • Methane
  • Ethylene
  • Ethane
  • Ethyne
Identify Z in the series
Chemistry-Hydrocarbons-4892.png
  • C2H5I
  • CH3 CH2 OH
  • CH3I
  • CH3CHO
What Would be the product when ethene is Oxidised with Baeyer`s reagent ?
  • CH2OH – CH2OH
  • 2)
    Chemistry-Hydrocarbons-4894.png

  • Chemistry-Hydrocarbons-4895.png
  • CO2 + H2O

Chemistry-Hydrocarbons-4896.png

  • Chemistry-Hydrocarbons-4897.png
  • 2)
    Chemistry-Hydrocarbons-4898.png

  • Chemistry-Hydrocarbons-4899.png

  • Chemistry-Hydrocarbons-4900.png
In the reaction C2H5 – CH = CH2 + HX → product. what is the product
  • C2H5 – CH2 – CH3
  • C2H5 – CH2 – CH2 – X
  • C2H5 – CHX – CH3
  • CH3 – CHX – CH2 – CH3
Addition of HCl to propene in presence of peroxide gives
  • 1-Chloropropane
  • 2-Chloropropane
  • 3-Chloropropane
  • Chloropropene peroxide
Which unsaturated hydrocarbon on Ozono lysis gives Mixture of
CH3CHO, HCHO and OHC – CHO
  • CH3 – CH2 – C ≡ C – CH3
  • CH ≡ C – CH2 – CH2 – CH3
  • CH3 – CH = CH – CH = CH2
  • CH2 = CH – CH2 – CH = CH2

Chemistry-Hydrocarbons-4904.png

  • Chemistry-Hydrocarbons-4905.png
  • 2)
    Chemistry-Hydrocarbons-4906.png

  • Chemistry-Hydrocarbons-4907.png

  • Chemistry-Hydrocarbons-4908.png

Chemistry-Hydrocarbons-4910.png

  • Chemistry-Hydrocarbons-4911.png
  • 2)
    Chemistry-Hydrocarbons-4912.png

  • Chemistry-Hydrocarbons-4913.png

  • Chemistry-Hydrocarbons-4914.png
Which of the following sequence of reagents can be used for the Conversion of C6H5 – CH2 – CH3 into C6H5 – CH = CH2
  • SO2Cl2; H2O
  • SO2Cl2; alc.KOH
  • Cl2/hv; H2O
  • SOCl2; alc. KOH
The dehydrohalogenation of neopentylbromide mainy gives
  • 2-methyl-but-1-ene
  • 2-methyl-but-2-ene
  • But-2-ene
  • 2,2- dimethyl-but-1-ene
Which of the following represents the given mode of hybridization SP2 – SP2 – SP – SP from left to right

  • Chemistry-Hydrocarbons-4918.png
  • 2)
    Chemistry-Hydrocarbons-4919.png

  • Chemistry-Hydrocarbons-4920.png

  • Chemistry-Hydrocarbons-4921.png
A reagent used to test for unsataration of alkene is
  • Conc. H2SO4
  • Ammonicals Cu2Cl2
  • Ammonicals AgNO3
  • Solution Br2 in CCl4
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