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    CBSE

    Subject

    Chemistry
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    NEET Chemistry : Organic Chemistry – Some Basic Principles and Techniques

    Multiple Choice Questions

    11.

    Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by

    • oxidation

    • cracking

    • distillation under reduced pressure

    • distillation under reduced pressure

    Answer
    • 12.

    The stability of carbanions in the following

    1 right parenthesis space RC space identical to straight C with minus on top straight H space 2 right parenthesis space straight C subscript 6 straight H subscript 5 to the power of minus 3 right parenthesis space straight R subscript 2 straight C space equals space straight C to the power of minus straight H 4 right parenthesis space straight R subscript 3 straight C space equals space straight C to the power of minus straight H

    is in the order of 

    • (1) > (2) > (3) > (4)

    • (2) > (3) > (4) > (1)

    • (4) > (2) > (3)  > (1)

    • (4) > (2) > (3)  > (1)

    Answer
    • 13.

    The IUPAC name of the compound having the formula CH identical to space straight C minus CH space equals CH subscript 2

    • 3-butene-1-yne

    • 1-butyn-3-ene

    • but-1-yne-3-ene

    • but-1-yne-3-ene

    Answer
    • 14.

    In the following the most stable conformation of n-butane is

    Answer
    • 15.

    The number of structural isomers possible from the molecular formula C3H9N is 

    • 4

    • 5

    • 2

    • 2

    Answer
    • 16.

    The general molecular formula, which represents the homologous series of alkanols is:

    • CnH2nO2

    • CnH2nO

    • CnH2n+1O

    • CnH2n+1O

    Answer
    • 17.

    Two possible stereo-structures of CH3CHOH.COOH, which are optically active, are called

    • diastereomers

    • atropisomers

    • enantiomers

    • enantiomers

    Answer
    • 18.

    Which one of the following is most reactive towards electrophilic reagents?

    Answer
    • 19.

    Which of the following statement is correct for a nucleophile? 

    • Nucleophile is s Lewis acid

    • Ammonia is a nucleophile

    • Nucleophiles attack low electrons density sites

    • Nucleophiles attack low electrons density sites

    Answer
    • 20.

    Which of the following species is not electrophilic in nature? 

    • Cl+

    • BH3

    • H3O+

    • H3O+

    Answer
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