Q.1
The reagent used for dehalogenation of 1,2-dichloropropane is
  • a) Zn dust
  • b) Zn-Hg
  • c) Na
  • d) Zn-Cu couple
Q.2
At higher temperature, iodoform reaction is given by
  • a) CH3COOCH3
  • b) CH3COOC6H5
  • c) C6H5COOCH3
  • d) CH3COOC2H5
Q.3
A small amount of alcohol is usually added to CHCl3 bottles because
  • a) it retards the oxidation of CHCl3 to phosgene
  • b) it retards the anaesthetic property of CCH3
  • c) both (b) and (c)
  • d) it convers any phosgene formed to harmless ethyl carbonate
Q.4
Which compound on reaction with ethyl magnesium bromide and water will form 2-methyl-2-butanol?
  • a) C2H5COCH3
  • b) CH3COOCH3
  • c) CH3COCH3
  • d) CH3CH2CHO
Q.5
CH3NH2 reacts with CH3MgX to give
  • a) Ethane
  • b) Methane
  • c) Ethanol
  • d) Methanol
Q.6
Which of the following can be obtained by halide exchange method
  • a) CH3I
  • b) CH3Cl
  • c) C2H5Cl
  • d) CH3Br
Q.7
Strong reducing agent converts CHCI3 into
  • a) CH4
  • b) C2H6
  • c) C2H4
  • d) C2H2
Q.8
Ethyl bromide and isopropyl chloride can be distinguished by
  • a) alcoholic AgNO3
  • b) comparing their colours
  • c) burning the compound on spatual
  • d) aqueous KOH
Q.9
Preparation of alkyl halids in laboratory is least preferred by
  • a) halide exchange
  • b) treatment of alcohol
  • c) addition of hydrogen halides to alkenes
  • d) direct halogenation of alkanes
Q.10
PVC plastics are produced by the polymerization of
  • a) allyl chloride
  • b) vinyl chloride
  • c) vinyl acetate
  • d) ethene
Q.11
The product obtained on treatment of ethyl chloride with potassium cyanide is reduced by sodium and alcohol to give
  • a) propyl amine
  • b) ethyl amine
  • c) diethyl amine
  • d) acetic acid
Q.12
Methyl bromide is not used
  • a) for dyeing cloths
  • b) as an insecticide
  • c) as disinfectant
  • d) as disinfectant for young fruit trees
Q.13
Which of the following is gem-dihalide?
  • a) CH3CHBr2
  • b) BrCH2CH2Br
  • c) CH3CHBrCH2Br
  • d) CH3CHBrCH2CH2CH2Br
Q.14
PCl5 reacts with propanone, to give
  • a) propanol
  • b) propanal
  • c) propane chloride
  • d) gem dichloride
Q.15
Grignard reagent with hydrogen cyanide gives
  • a) aldehyde
  • b) ketone
  • c) alcohol
  • d) both (a) and (b)
Q.16
Alkyl halides on treatment with a suspension of Ag2O moist in ether gives
  • a) alkanol
  • b) alkanal
  • c) alkanes
  • d) alkoxy alkane
Q.17
When iodoform is heated with silver powder it forms
  • a) acetaldehyde
  • b) ethane
  • c) ethylene
  • d) acetylene
Q.18
Benzene on reaction with a mixture of HNO3 and H2SO4 follod by reaction of Cl2/FeCl3 gives
  • a) 2-chloro-1-nitrobenzene
  • b)3-chloro-1-nitrobenzene
  • c) 4-chloro-1nitrobenzne
  • d) none of the above
Q.19
A mixture of 1-chloropropane and 2-chloropropane when treated with alcoholic KOH, it gives
  • a) isopropylalcohol
  • b) isopropylene
  • c) 1-propene
  • d) 2-propene
Q.20
If methyl iodide and ethyl iodide are mixed in equal proportions, and the mixture is treated with metallic sodium in presence of dry ether, the number of possible products formed is
  • a) 1
  • b) 2
  • c) 3
  • d) 4
Q.21
Which statement is wrong about chloroform?
  • a) Chloroform has sp3 hybridised carbon atom
  • b) Chloroform has sp2 hybridised carbon atom
  • c) Chloroform is used as solvant
  • d) Chloroform hass distorted tetrahedral shape
Q.22
Which reagent is useful in increasing the carbon chain of an alkyl halide
  • a) HCN
  • b) KCN
  • c) NH4CN
  • d) AgCN
Q.23
Sodium ethoxide reacts with ethyl iodide to give
  • a) C2H5I
  • b) CH3CH3
  • c) C2H5OC2H5
  • d) C2H5OH
Q.24
The combination which produces t- butyl alcohol when treatment with Grignard reagent
  • a) CH3MgBr + CH3COCH3
  • b) C2H5MgBr + CH3COCH3
  • c) CH3MgBr + (CH3)2CHOH
  • d) CH3MgBr + (CH3)3COH
Q.25
1-phenyl, 2-chloropropane on treating with alc.KOH gives mainly
  • a) 1-phenylpropene
  • b) 2-phenylpropene
  • c) 1-phenylpropan-2-ol
  • d) 1-phenylpropan-1-ol
Q.26
Ethyl dichloride can be prepared by adding HCl to
  • a) ethylene
  • b) ethane
  • c) acetylene
  • d) ethylene glycol
Q.27
Assertion: n-butyl chloride has lower b.p. than n-butyl bromide Reason: The b.p. increases with with increase in molar mass
  • a) Assertion is correct but Reason is wrong
  • b) Assertion is wrong but Reason is correct
  • c) Both Assertion and Reason are correct and Reason is correct explanation of Assertion
  • d) Both Assertion and Reason are correct but Reason is not correct explanation of Assertion
Q.28
The CCl4 and CHCl3 can be distinguished
  • a) RNH2 + KOH alc
  • b) RCN + KOH alc
  • c) Hydrolysis
  • d) burning in air
Q.29
The reagent used in the conversion of 1-butanol to 1-bromobutane is
  • a) CHBr3
  • b) Br2
  • c) CH3Br
  • d) P + Br2
Q.30
Formation of alkane by the action of Zn on alkyl halide is called
  • a) Wurtz reaction
  • b) Frankland's reaction
  • c) Kolbe's reaction
  • d) Cannizzaro's reaction
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