1.

    Which of the following statements is INCORRECT regarding the isomerism exhibited by the compound with the formula C4H8C_4H_8?

    A

    It can exhibit chain isomerism.

    B

    It can exhibit position isomerism.

    C

    It can exhibit geometrical isomerism.

    D

    It can exhibit both geometrical and optical isomerism simultaneously.

    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 :2 mins
    πŸ”„Ncert Concepts :Isomerism, Structural Isomerism, Stereoisomerism, Geometrical Isomerism, Optical Isomerism

    Related Questions

    1.

    Which one of the following pairs represents stereoisomerism?

    A

    Geometrical isomerism, position isomerism

    B

    Geometrical isomerism, conformational isomerism

    C

    Optical isomerism, geometrical isomerism

    D

    Optical isomerism, metamerism

    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 :stereoisomerism, geometrical isomerism, position isomerism, conformational isomerism, optical isomerism, metamerism

    2.

    Which of the following is an example of a non-aromatic, cyclic compound?

    A

    Cyclohexene

    B

    Benzene

    C

    Cyclopentadiene anion

    D

    Pyridine

    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.

    Which of the following statements is necessarily true in the case of isomeric organic compounds?

    A

    They are hydrocarbons

    B

    They are optically active

    C

    They yield the same products on complete combustion

    D

    They have same melting or boiling points

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Isomers, Combustion, Chemical Properties

    4.

    Which among the following statements is correct with respect to the optical isomers?

    A

    Enantimoers are non-superimposable mirror images.

    B

    Diastereomers are superimposable mirror images.

    C

    Enantimoers are superimposable mirror image.

    D

    MesoMeso forms have no plane of symmetry.

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Isomerism [Structural & Stereo]
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :optical isomerism, enantiomers, diastereomers, meso compounds, superimposability, mirror images, plane of symmetry

    5.

    Which is optically active?

    A

    Isobutyric acid

    B

    Ξ²-chloropropionic acid

    C

    Propionic acid

    D

    Ξ±-chloropropionic acid

    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 :Optical activity, Chirality, Stereocenter

    6.

    Which of the following compounds is not chiral?

    A

    1-chloro-2-methyl pentane

    B

    2-chloropentane

    C

    1-chloropentane

    D

    3-chloro-2-methyl pentane

    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 :chirality, stereochemistry, carbon nomenclature

    7.

    Which of the following shows geometrical isomerism?

    A

    C2H5Br{{\rm{C}}_2}{{\rm{H}}_5}{\rm{Br}}

    B

    (CH2)(COOH)2\left( {{\rm{C}}{{\rm{H}}_2}} \right){\left( {{\rm{COOH}}} \right)_2}

    C

    (CH)2(COOH)2{\left( {{\rm{CH}}} \right)_2}{\left( {{\rm{COOH}}} \right)_2}

    D

    C2H6{{\rm{C}}_2}{{\rm{H}}_6}

    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 :geometrical isomerism, structural isomerism, alkenes, sigma bonds, pi bonds

    8.

    Geometrical isomerism is possible in

    A

    Acetone-oxime

    B

    Isobutene

    C

    Acetophenone-oxime

    D

    Benzophenone-oxime

    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 :Geometrical isomerism, Oximes, Carbon-Carbon Double Bond, Restricted Rotation

    9.

    Compounds which rotate plane polarised light in clockwise direction are known as :

    A

    Dextrorotatory

    B

    Laevorotatory

    C

    Optically inactive compounds

    D

    Racemic

    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 :optical activity, stereoisomers, plane polarized light

    10.

    nn- pentane and 2-methyl butane are a pair of

    A

    Enantiomers

    B

    Stereoisomers

    C

    Diastereomers

    D

    Constitutional isomers

    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, constitutional isomers, stereoisomers, enantiomers, diastereomers, structural formula, molecular formula

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