JEE Questions for Chemistry Haloalkanes And Haloarenes Quiz 2 - MCQExams.com

An alkyl halide reacts with alcoholic ammonia in a sealed tube, the product formed will be
  • a primary amine
  • a secondary amine
  • a tertiary amine
  • All of the above
Maximum number of molecules of CH3I that can react with a molecule of CH3NH2 are
  • 3
  • 4
  • 2
  • 1
Reaction of trans-2-phenyl-1-bromo cyclopentane on reaction with alcoholic KOH produces
  • 4-phenyl cyclopentene
  • 2-phenyl cyclopentene
  • 1-phenyl cyclopentene
  • 3-phenyl cyclopentene
RX + A → RNC, A is
  • AgCN
  • KCN
  • NaCN
  • HCN
Elimination of bromine from 2-bromobutane results in the formation of
  • predominantly 2-butyne
  • predominantly 1-butene
  • predominantly 2-butene
  • equimolar mixture of 1 and 2-butene
1-chlorobutane on reaction with alcoholic potash gives
  • 1-butene
  • 1-butanol
  • 2-butene
  • 2-butanol
Which of the following haloalkanes is most reactive?
  • 1-chloropropane
  • 1-bromopropane
  • 2-chloropropane
  • 2-bromopropane
Which of the following that cannot undergo dehydrohalogenation is
  • iso-propyl bromide
  • ethanol
  • ethyl bromide
  • None of the above
The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with
  • PCl3
  • PCl5
  • SOCl2 in the presence of pyridine
  • dry HCl in the presence of anhydrous ZnCl2
The final product, in the below reaction, is
Chemistry-Haloalkanes and Haloarenes-4361.png

  • Chemistry-Haloalkanes and Haloarenes-4362.png
  • 2)
    Chemistry-Haloalkanes and Haloarenes-4363.png

  • Chemistry-Haloalkanes and Haloarenes-4364.png

  • Chemistry-Haloalkanes and Haloarenes-4365.png
Of the isomeric hexanes, the isomers that give the minimum and maximum number of monochloro derivatives are respectively
  • 3-methyl pentane and 2, 3-dimethyl butane
  • 2, 3-dimethy 1 butane and n-hexane
  • 2, 2-dimethye 1 butane and 2-methy 1 pentane
  • 2, 3-dimethy 1 butane and 2-methy 1 pentane
  • 2-methyl pentane and 2, 2-dimethylbutane
The molecular formula of diphenyl methane
Chemistry-Haloalkanes and Haloarenes-4367.png
  • 6
  • 4
  • 8
  • 7
Which of the following compounds is not formed in iodoform reaction of acetone?
  • CH3 COCH2I
  • ICH2 COCH2I
  • CH3 COCHI2
  • CH3 COCI3
Which of the compounds when brominated turns to meso 2,3-dibromobutane?
  • Cis-2-butene
  • Iso-butane
  • Butane
  • Trans-2-butene
On warming with silver powder, chloroform is converted into
  • acetylene
  • hexachloroethane
  • 1,1,2,2-tetrachloroethane
  • ethylene
When tetrahydrafuran is treated with excess HI, the product formed is
  • 1,4-diiodobutane
  • 1,4-butanediol
  • 2-iodotetrahydrofuran
  • 4- iodo-1-butanol
  • 2,5-diiodotetrahydrofuran
What happens if CCl4 is treated with AgNO3 ?
  • A white ppt of AgCl will form
  • NO2 will be evolved
  • CCl4 will dissolve in AgNO3
  • Nothing will happen
Iodoform is obtained when ethanol is heated with
  • KI and aqueous KOH
  • I2 and aqueous KOH
  • I2/aqueous KI
  • HI and HIO3
Which one of the following pairs is the strongest pesticide?
  • chloroform and benzene hexachloride
  • DDT and 666
  • 666 and ether
  • Isocyanides and alcohol
Chloroform gives a trichloro derivative of an alcohol on reaction with
  • concentrated nitric acid
  • aqueous alkali
  • acetone and alkali
  • a primary amine and an alkali
Which one of the following does not give iodoform?

  • Chemistry-Haloalkanes and Haloarenes-4369.png
  • CH3OH
  • CH3CH2OH

  • Chemistry-Haloalkanes and Haloarenes-4370.png
Which of the following ketones will not respond to iodoform test ?
  • Methyl isopropyl ketone
  • Ethyl isopropyl ketone
  • Dimethyl ketone
  • 2-hexanone
Chloropicrin is obtained by the reaction of
  • steam on carbon tetrachloride
  • nitric acid on chlorobenzene
  • chlorine on picric acid
  • nitric acid on chloroform
Which of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?
  • CH3CH(OH)CH3
  • CH3CH2CH(OH)CH3
  • CH3OH
  • CH3CH2OH
Iodoform can be obtained on warming NaOH and iodine with

  • Chemistry-Haloalkanes and Haloarenes-4371.png
  • 2)
    Chemistry-Haloalkanes and Haloarenes-4372.png

  • Chemistry-Haloalkanes and Haloarenes-4373.png

  • Chemistry-Haloalkanes and Haloarenes-4374.png
CHCl3 reacts with conc. HNO3 to give
  • CCl3NO2
  • CH3NO2
  • CH3CN
  • CH3CH2NO2
CaOCl2 + H2O → Ca(OH)2 + X
X+ CH3CHO → Y
Y + Ca(OH)2 → CHCl3. What is 'Y ' ?
  • CH3CH(OH)2
  • CH2Cl2
  • CCl3CHO
  • CCl3COCH3
Among the following the one that gives positive iodoform test upon reaction with I2 and NaOH is
  • CH3CH2CH(OH)CH2CH3
  • C6H5CH2CH2OH

  • Chemistry-Haloalkanes and Haloarenes-4376.png
  • PhCHOHCH3
What is the product A in the following?
Chemistry-Haloalkanes and Haloarenes-4377.png

  • Chemistry-Haloalkanes and Haloarenes-4378.png
  • 2)
    Chemistry-Haloalkanes and Haloarenes-4379.png
  • Both (and (2)
  • None of the above
Which of the following is added to chloroform to slow down its aerial oxidation in the presence of light?
  • Carbonyl chloride
  • Ethyl alcohol
  • Sodium hydroxide
  • Nitric acid
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