1.

    How many chiral compounds are possible on monochlorination of 2-methyl butane?

    A

    1

    B

    2

    C

    3

    D

    4

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚑ Time Required :3 mins
    πŸ”„Ncert Concepts :monochlorination, chirality, stereoisomers, alkane reactions, structural isomers

    Related Questions

    1.

    Which one of the following will show optical isomerism?

    A

    HOβˆ’C∣∣HHβˆ’CO2H{\rm{HO}} - \mathop {\mathop {\rm{C}}\limits_|^| }\limits_{\rm{H}}^{\rm{H}} - {\rm{C}}{{\rm{O}}_2}{\rm{H}}

    B

    H3Cβˆ’C∣∣OHHβˆ’CO2H{{\rm{H}}_3}{\rm{C}} - \mathop {\mathop {\rm{C}}\limits_|^| }\limits_{OH}^{\rm{H}} - {\rm{C}}{{\rm{O}}_2}{\rm{H}}

    C

    H3Cβˆ’C∣∣HCH3βˆ’CO2H{{\rm{H}}_3}{\rm{C}} - \mathop {\mathop {\rm{C}}\limits_|^| }\limits_H^{{\rm{C}}{{\rm{H}}_3}} - {\rm{C}}{{\rm{O}}_2}{\rm{H}}

    D

    H3Cβˆ’C∣∣ClCH3βˆ’CO2H{{\rm{H}}_3}{\rm{C}} - \mathop {\mathop {\rm{C}}\limits_|^| }\limits_{Cl}^{{\rm{C}}{{\rm{H}}_3}} - {\rm{C}}{{\rm{O}}_2}{\rm{H}}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :optical isomerism, chirality, stereocenter

    2.

    Which of the following compounds does NOT fulfill Huckel's rule for aromaticity?

    A

    Benzene

    B

    Naphthalene

    C

    Anthracene

    D

    Cycloheptatriene

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    PYQ YEAR: 2022
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :aromaticity, huckels rule, organic chemistry

    3.

    How many optically active stereoisomers are possible for butane-2, 3-diol?

    A

    1

    B

    2

    C

    3

    D

    4

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚑ Time Required :3 mins
    πŸ”„Ncert Concepts :stereoisomers, optical activity, chirality, meso compounds

    4.

    The production of an optically active compound from a symmetric molecule without resolution in termed as :

    A

    Walden inversion

    B

    Partial racemisation

    C

    Asymmetric synthesis

    D

    Partial resolution

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Asymmetric synthesis, Chirality, Optical activity

    5.

    But-1-ene and cyclobutane exhibit

    A

    Ring chain isomerism

    B

    Position isomerism

    C

    Tautomerism

    D

    Functional isomerism

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Isomerism, Ring-chain isomerism, Structural isomerism

    6.

    The tautomeric form which is less stable is called :

    A

    Anion form

    B

    Cation form

    C

    Labile form

    D

    All of these

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :tautomerism, stability

    7.

    The type of isomerism in the molecule of compounds CH3CH2COCH2CH3β€…β€Šandβ€…β€ŠCH3CHC(OH)CH2CH3{\rm{C}}{{\rm{H}}_3}{\rm{C}}{{\rm{H}}_2}{\rm{COC}}{{\rm{H}}_2}{\rm{C}}{{\rm{H}}_3}{\rm{\;and\;C}}{{\rm{H}}_3}{\rm{CHC}}\left( {{\rm{OH}}} \right){\rm{C}}{{\rm{H}}_2}{\rm{C}}{{\rm{H}}_3} is referred as:

    A

    Metamerism

    B

    Chain isomerism

    C

    Functional isomerism

    D

    Tautomerism

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Isomerism, Tautomerism, Keto-enol tautomerism

    8.

    Enol content is highest in

    A

    Acetone

    B

    Acetophenone

    C

    Acetic acid

    D

    Acetyl acetone

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :enol content, keto-enol tautomerism, stability of enol form, resonance

    9.

    How many isomers will C3H6{{\rm{C}}_3}{{\rm{H}}_6} have?

    A

    1

    B

    2

    C

    Zero

    D

    4

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :isomers, alkenes, cycloalkanes

    10.

    A cyclic stereoisomer having the molecular formula C4H7Cl{{\rm{C}}_4}{{\rm{H}}_7}{\rm{Cl}} are classified and tabulated. Find out the correct set of numbers.

    Geometrical {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} Optical

    A

    6 {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} 2

    B

    4{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} 2

    C

    6{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} 0

    D

    4{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} 0

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚑ Time Required :5 mins
    πŸ”„Ncert Concepts :stereoisomers, geometrical isomers, optical isomers, cyclic compounds, chirality

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