JEE Questions for Chemistry Haloalkanes And Haloarenes Quiz 1 - MCQExams.com

Which of the following will not respond to iodoform test?
  • Ethyl alcohol
  • Propanol-2
  • Propanol-1
  • Ethanal
Which of the following will not give positive iodoform test?
  • CH3CH2CHOHCH3
  • CH3CH2CH2COCH3
  • CH3CH2COCH2CH3
  • CH3COC6H5
Which of the following gives iodoform test?
  • CH3 —CH2 (OH)
  • C2H5 CHO
  • ( CH2 OH )2
  • None of these
Tertiary butyl alcohol gives tertiary butyl chloride on treatment with
  • conc. HCl/anhy. ZnCl2
  • KCN
  • NaOCl
  • Cl2
When chloroform is treated with chlorine in the presence of sunlight, it yields
  • urotropin
  • pyrene
  • chloropicrin
  • chloritone
Which of the following does not answer iodoform test?
  • n-butyl alcohol
  • Acetophenone
  • Acetaldehyde
  • Ethylmethyl ketone
Which one of the following is not formed when a mixture of methyl bromide and bromobenzene is heated with sodium metal in the presence of dry ether?
  • Diphenyl
  • Propane
  • Toluene
  • Ethane
Number of monochloro derivatives obtained when neo-pentane is chlorinated, is
  • one
  • two
  • three
  • four
The catalyst used in the preparation of an alkyl chloride by the action of dry HCl on an alcohol is
  • anhy. AlCl3
  • FeCl3
  • anhy. ZnCl2
  • Cu
Of the five isomeric hexanes, the isomer which can give two monochlorinated compounds is
  • 2-methyl pentane
  • 2,2-dimethyl butane
  • 2,3-dimethyl butane
  • n-hexane
Ethyl ortho formate is formed by heating......... with sodium ethoxide.
  • CHCl3
  • C2H5OH
  • HCOOH
  • CH3CHO
Iodoform test is not given by
  • 2-pentanone
  • ethanol
  • ethanal
  • 3-pentanone
2, 2-dichloro propane on hydrolysis yields
  • acetone
  • 2,2-propane diol
  • isopropyl alcohol
  • acetaldehyde
Hexachloroethane is also called
  • artificial sweetner
  • artificial camphor
  • artificial polymer
  • None of these
Chloroform, when kept open, is oxidised to
  • CO2
  • COCl2
  • CO2, Cl2
  • None of the above
Methyl ketone is identified by
  • Iodoform test
  • Fehling's solution
  • Tollen's reagent
  • Schiff's reagent
Chlorobenzene gives aniline with
  • NH3/Cu2O
  • NH3/H2SO4
  • NaNH2
  • None of these
Anti-Markownikoff 's addition of HBr is observed in
  • propane
  • but-2-ene
  • pent-2-ene
  • All of the above
Which of the following alkyl halides is used as a methylating agent?
  • C2 H5 Br
  • C6 H5 Cl
  • CH3 Cl
  • C2 H5 Cl
Ethyl iodide when heated with sodium in dry ether gives pure
  • C4H10
  • C2H6
  • C3H8
  • C2H5OH
2-bromopentane with alc. KOH yields a mixture of three alkenes. Which of the following alkene is predominant?
  • 1-pentene
  • Cis-2-pentene
  • Trans-2-pentene
  • Cis- 1 -pentene
Alkyl halide is converted into alcohol. This is an example of....... reaction.
  • addition
  • displacement
  • substitution
  • complex
The product of reaction between alcoholic silver nitrite with ethyl bromide is
  • ethene
  • ethane
  • ethyl nitrile
  • nitro ethane
Which halide does not get hydrolysed by sodium hydroxide?
  • Vinyl chloride
  • Methyl chloride
  • Ethyl chloride
  • Iso-propyl chloride
Grignard reagent is not prepared in aqueous medium but prepared in either medium, because
  • the reagent is highly reactive in ether
  • the reagent does not react with water
  • the reagent becomes inactive in water
  • the reagent reacts with water
Which of the following compounds has the highest boiling point?
  • CH3CH2 CH2 Cl
  • CH3 CH2 CH2 CH2Cl
  • CH3CH(CH3 )CH2 Cl
  • (CH3)3 CCl
The organic chloro compound, which shows complete stereochemical inversion during an SN2 reaction is
  • (C2 H5)2 CHCl
  • (CH3 )3 CCl
  • (CH3)2 CHCl
  • CH3 Cl
1,2-dibromoethane reacts with alcoholic KOH to yield a product X. The hybridisation state of the carbons present in X respectively, are
  • sp, sp
  • sp3, sp3
  • sp3, sp2
  • sp2, sp3

Chemistry-Haloalkanes and Haloarenes-4357.png
  • primary alcohol
  • acid
  • alkyl halide
  • alcohol
Alkyl halides are less soluble in water because
  • they ionise in water
  • they do not form H-bonds with water
  • they are highly viscous
  • they have very strong C—X bond
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