Important Questions of Organic Chemistry – Some Basic Principles and Techniques Chemistry | Zigya

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151.

2-propanol + NaBr Reflux X. What is X?

  • 2-bromopropane

  • Propane

  • Propene

  • Propanone


152.

The conversion of propene to propanol is which type of reaction?

  • hydrogenation

  • hydration

  • hydrolysis

  • dehydrogenation


153.

Propanal and propanone are

  • functional isomers

  • enantiomers

  • chain isomers

  • structural isomers


154.

IUPAC name of the following compound is

CH3-CH|C2H5-CH2-CH|CH3-COOH 

  • 2, 2-diethyl pentanoic acid

  • 2, 4-dimethyl hexanoic acid

  • 2-methyl-4-ethyl pentanoic acid

  • 4-ethyl-2-methyl pentanoic acid


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155.

The structural formula of 2-methyl-2-butene is

  • CH3-CH(CH3)-CH=CH2

  • CH3-CH2-C(CH3)=CH2

  • CH3-CH=CH-CH3

  • CH3-CH=C(CH3)-CH3


156.

Which one of the following pairs of compounds are functional isomers?

  • CH3CH2CH2OH, (CH3)2CHCH2OH

  • CH3CH2CH2CH2OH, (CH3)2CHCH2OH

  • CH3CH2CH2OH, CH3CH2CH2Cl

  • CH3CH2CH2OH, CH3-O-CH2CH3


157.

Dehydrohalogenation of an alkyl halide is a/an

  • nucleophilic substitution reaction

  • elimination reaction

  • both nucleophilic substitution and elimination reaction

  • rearrangement


158.

The correct structure of 4-bromo-3-methyl but-1-ene is

  • Br-CH=C(CH3)2

  • CH2=CH-CH(CH3)-CH2Br

  • CH2=C(CH3)CH2Br

  • CH3-C(CH3)=CHCH2-Br


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159.

Which of the following reaction can produce aniline as main product?

  • C6H5NO2 + Zn/ KOH

  • C6H5NO2 + Zn/ NH4Cl

  • C6H5NO2 + LiAlH4

  • C6H5NO2 + Zn/ HCl


160.

Which of the following is a pair of functional isomers?

  • CH3COCH3, CH3CHO

  • C2H5CO2H, CH3CO2CH3

  • C2H5CO2H, CHCO2C2H5

  • CH3CO2H, CH3CHO


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