Haloalkanes and Haloarenes

Multiple Choice Questions

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When chloropropane is treated with alcoholic KOH, it forms an alkane. The reaction is

  • substitution
  • elimination reaction
  • addition reaction
  • dehydration reaction.

B.

elimination reaction
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    Which of the following will react with water?

    • CHCl3  
    • CCl3CHO
    • CCl4
    • ClCH2CH2Cl.
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    SN2 mechanism proceeds through the intervention of
    • carbonium ion 
    • transition state
    • free radical 
    • carbonium
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    Which of the following will have zero dipole moment?

    • 1, 1-dichloro ethylene
    • cis-1, 2-dichloro ethylene
    • trans-1, 2-dichloro ethylene
    • None of these.
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    In the reaction of p-chlorotoIuene with KNH2 in liquid NH3 the major product is

    • o-toluidiene
    • m-toluidiene
    • p-toluidine
    • p-dichloro aniline.
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    (CH3)3MgBr on treatment with D2O gives
    • (CH3)3CD
    • (CH3)3COD
    • (CD3)3CD
    • (CH3)3COD
    133 Views
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    Which of the following is most reactive towards nucleophilic substitution reaction?
    • C6H5Cl
    • CH2 = CHCl
    • ClCH2CH = CH2
    • CH3CH = CHCl
    424 Views
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    The product of the reaction of alcoholic silver nitrate with ethyl bromide is
    • ethylene
    • ethyl nitrate
    • nitroethane
    • ethyl alcohol
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    Chloroform is slowly oxidised by air in presence of light to form
    • formyl chloride
    • phosgene
    • trichloro acetic acid
    • formic acid
    209 Views
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    Butane nitrile may be prepared by heating

    • propyl alcohol with KCN
    • butyl alcohol with KCN
    • butyl chloride with KCN
    • propyl chloride with KCN
    634 Views
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