1.

    Which of the following statements is INCORRECT regarding the mesomeric effect?

    A

    It involves the delocalization of Ο€ electrons or lone pairs

    B

    It operates only in conjugated systems

    C

    It can be positive (+M/+R) or negative (-M/-R)

    D

    It is a temporary effect

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Electron Displacements
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Mesomeric Effect, Resonance, Conjugation, Inductive Effect

    Related Questions

    1.

    Which of the following orders is true regarding the acidic nature of COOH?

    A

    Formic acid > acetic acid> propanoic acid

    B

    Formic acid > acetic acid< propanoic acid

    C

    Formic acid < acetic acid> propanoic acid

    D

    Formic acid > acetic acid< propanoic acid

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Electron Displacements
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :acidity of carboxylic acids, inductive effect, alkyl groups

    2.

    Which of the following order is correct regarding the acidity of carboxylic acids?

    A

    Cl3CCOOH>Cl2CHCOOH>ClCH2COOH{\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} > {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} > {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}

    B

    Cl3CCOOH>Cl2CHCOOH<ClCH2COOH{\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} > {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} < {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}

    C

    Cl3CCOOH⟨Cl2CHCOOH⟩ClCH2COOH{\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}}\left\langle {{\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}}} \right\rangle {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}

    D

    Cl3CCOOH<Cl2CHCOOH<ClCH2COOH{\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} < {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} < {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Electron Displacements
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :acidity of carboxylic acids, inductive effect, electron-withdrawing groups

    3.

    Which of the following order is correct regarding the acidity of carboxylic acids?

    A

    Cl3CCOOH>Cl2CHCOOH>ClCH2COOH{\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} > {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} > {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}

    B

    Cl3CCOOH>Cl2CHCOOH<ClCH2COOH{\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} > {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} < {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}

    C

    Cl3CCOOH⟨Cl2CHCOOH⟩ClCH2COOH{\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}}\left\langle {{\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}}} \right\rangle {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}

    D

    Cl3CCOOH<Cl2CHCOOH<ClCH2COOH{\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} < {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} < {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Organic Chemistry: Some basic principles and techniques
    🎯Topic:Electron Displacements
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :acidity of carboxylic acids, inductive effect, electron withdrawing groups

    company logo

    NEET Subjects

    Our Bots

    Company