NEET Chemistry MCQ: NCERT Electron Displacement | NEET.Guide Questions

Arrange the following groups in decreasing order of their -M effect: -NO2, -CN, -COOH, -COOR

A

-NO2 > -CN > -COOH > -COOR

B

-CN > -NO2 > -COOH > -COOR

C

-COOH > -COOR > -NO2 > -CN

D

-COOR > -COOH > -CN > -NO2

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Analyzing

🎯Difficulty :Hard

⚡ Time Required :1.5 mins

🔄Ncert Concepts :Mesomeric Effect, Resonance, Electron Withdrawing Groups, Inductive Effect

Related Questions

Which of the following is a permanent effect?

A

A bruised knee

B

A broken bone

C

A learned skill

D

A sunburn

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :0.5 mins

🔄Ncert Concepts :Electron Displacement Effects, Resonance Effect, Inductive Effect, Electromeric Effect, Hyperconjugation

In which of the following $p -$ electrons of the halogens are not involved in delocalisation?

A

Chlorobenzene

B

Bromobenzene

C

Allyl chloride

D

Vinyl chloride

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Analyzing

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Delocalisation, Resonance, Halogens, p-electrons

Which of the following is NOT a type of electron displacement effect in organic molecules?

A

Inductive effect

B

Resonance effect

C

Electromeric effect

D

Nuclear fusion

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Remembering

🎯Difficulty :Easy

⚡ Time Required :0.5 mins

🔄Ncert Concepts :Electron Displacement Effects, Inductive Effect, Resonance Effect, Electromeric Effect

In benzene, all the ${\rm{C}} - {\rm{C}}$ bonds are of equal length because of :

A

Isomerism

B

Resonance

C

Tautomerism

D

Inductive effect

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :Resonance, Chemical Bonding, Benzene Structure

The reaction of sodium ethoxide with iodoethane to from diethyl is termed as

A

Electrophilic substitution

B

Nuclephilic substitution

C

Electrophilic addition

D

Radical substitution

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Nucleophilic substitution, Organic reaction mechanisms

Which chlorine atom is more electronegative in the following?

A

The chlorine atom with the positive charge (Cl⁺)

B

The neutral chlorine atom (Cl)

C

They have the same electronegativity

D

Chlorine atoms cannot have a positive charge

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Analyzing

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :electronegativity, inductive effect, alkyl groups, steric hindrance

Arrange the following groups in decreasing order of their -M effect: -NO2, -CN, -COOH, -COOR

A

-NO2 > -CN > -COOH > -COOR

B

-CN > -NO2 > -COOH > -COOR

C

-COOH > -COOR > -NO2 > -CN

D

-COOR > -COOH > -CN > -NO2

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Analyzing

🎯Difficulty :Hard

⚡ Time Required :1.5 mins

🔄Ncert Concepts :Mesomeric Effect, Resonance, Electron Withdrawing Groups, Inductive Effect

Select the correct order of basic nature :

A

${\rm{C}}{{\rm{H}}_3}{\rm{CH}}_2^ - {\rm{\;}} > {\rm{\;C}}{{\rm{H}}_2}{\rm{\;}} = {\rm{\;C}}{{\rm{H}}^ - } > {\rm{CH}} \equiv {{\rm{C}}^ - } o {\rm{O}}{{\rm{H}}^ - }$

B

${\rm{C}}{{\rm{H}}_3}{\rm{CH}}_2^ - {\rm{\;}} > {\rm{\;CH\;}} \equiv {\rm{\;}}{{\rm{C}}^ - } > {\rm{C}}{{\rm{H}}_2} = {\rm{C}}{{\rm{H}}^ - } > {\rm{O}}{{\rm{H}}^ - }$

C

${\rm{C}}{{\rm{H}}_3}{\rm{CH}}_2^ - {\rm{\;}} > {\rm{\;O}}{{\rm{H}}^ - } > {\rm{\;CH}} \equiv {{\rm{C}}^ - } > {\rm{C}}{{\rm{H}}_2} = {\rm{C}}{{\rm{H}}^ - }$

D

${\rm{O}}{{\rm{H}}^ - }{\rm{\;}} > {\rm{\;CH\;}} \equiv {\rm{\;}}{{\rm{C}}^ - } > {\rm{C}}{{\rm{H}}_2} = {\rm{C}}{{\rm{H}}^ - } > {\rm{C}}{{\rm{H}}_3}-{\rm{CH}}_2^ -$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Analyzing

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :basicity, carbanions, hybridization, inductive effect, resonance

Which of the following group show $- m$ and $- I$ . effect

A

$- N{O_2}$

B

$- N{H_2}$

C

$- OH$

D

$- Cl$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Application

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :Inductive effect, Mesomeric effect, Electron withdrawing groups

Which chlorine atom is more electronegative in the following?

A

Cl

B

Cl+

C

Cl-

D

They have the same electronegativity.

Question Tags

📚 Subject:Chemistry

📑 Chapter:Organic Chemistry: Some basic principles and techniques

🎯Topic:Electron Displacements

🎓 Ncert Level:Analyzing

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :electronegativity, inductive effect

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