Канал: Problems in Chemistry

Propose structural formula of C6H13NO

Propose structural formula of C6H13NO

Practice on Wittig Reaction

Practice on Wittig Reaction

Conversion of an aldehyde to ester

Conversion of an aldehyde to ester

Predict whether oxidation or reduction

Predict whether oxidation or reduction

NMR spectra of 2-Chloroethanol

NMR spectra of 2-Chloroethanol

Treatment of compound P with borane

Treatment of compound P with borane

Compound M with molecular formula C5H10O decolorizes Bromine in CCl4

Compound M with molecular formula C5H10O decolorizes Bromine in CCl4

Compound A with molecular formula C4H9Cl

Compound A with molecular formula C4H9Cl

HNMR Spectrum of 2,3-dimethylbutane

HNMR Spectrum of 2,3-dimethylbutane

Which of these species can be identified by mass spectrometry?

Which of these species can be identified by mass spectrometry?

Mass Spectrometry Part 10 - Rule of 13

Mass Spectrometry Part 10 - Rule of 13

FullSizeRender

FullSizeRender

Amines Part 10 - Electrophilic Aromatic Substitution Reactions in 5-membered heterocyclic compounds

Amines Part 10 - Electrophilic Aromatic Substitution Reactions in 5-membered heterocyclic compounds

Amines Part 5 - Electrophilic Aromatic Substitution Reactions in five membered heterocycles

Amines Part 5 - Electrophilic Aromatic Substitution Reactions in five membered heterocycles

Amines Part 4 - Hofmann Elimination

Amines Part 4 - Hofmann Elimination

Amines Part 9 - Side chain reactions, diazotization & acidity of methyl group @ C2 & C4 of pyridine

Amines Part 9 - Side chain reactions, diazotization & acidity of methyl group @ C2 & C4 of pyridine

Amines Part 8 - Nucleophilic Aromatic Substitution of Pyridine

Amines Part 8 - Nucleophilic Aromatic Substitution of Pyridine

Amines Part 2- Reactivity of Amines

Amines Part 2- Reactivity of Amines

Amines Part 3 - Nomenclature of saturated heterocyclic amines

Amines Part 3 - Nomenclature of saturated heterocyclic amines

Amines Part 1 - Nomenclature

Amines Part 1 - Nomenclature

Reactions of Benzene Part 1 - Electrophilic Aromatic Substitution of Benzene - Introduction

Reactions of Benzene Part 1 - Electrophilic Aromatic Substitution of Benzene - Introduction

Reactions of Benzene Part 9 - Effect of substituents on the pKa of compounds

Reactions of Benzene Part 9 - Effect of substituents on the pKa of compounds

Benzene and Aromaticity Part 2 - Classifying compounds as aromatic, non- aromatic anti-aromatic

Benzene and Aromaticity Part 2 - Classifying compounds as aromatic, non- aromatic anti-aromatic

Retrosynthesis- Diels Alder Reaction

Retrosynthesis- Diels Alder Reaction

Regioselectivity and Stereoselectivity in Diels Alder Reactions

Regioselectivity and Stereoselectivity in Diels Alder Reactions

Endo and Exo Products in Diels Alder Reactions

Endo and Exo Products in Diels Alder Reactions

Kinetic and thermodynamic products in conjugated dienes

Kinetic and thermodynamic products in conjugated dienes

Diels Alder Reaction

Diels Alder Reaction

Diels Alder Reaction

Diels Alder Reaction

Pericyclic Reactions Part 1

Pericyclic Reactions Part 1

Electrophilic addition in isolated and conjugated dienes

Electrophilic addition in isolated and conjugated dienes

Reactions at alpha carbon Part 19 - Robinson Annulation

Reactions at alpha carbon Part 19 - Robinson Annulation

Reactions at alpha carbon Part 1- Acidity of alpha hydrogen

Reactions at alpha carbon Part 1- Acidity of alpha hydrogen

Classification of Hydrocarbons

Classification of Hydrocarbons

Classification of Organic Compounds - part 1

Classification of Organic Compounds - part 1

Benzene and Aromaticity Part 1 - Structure of Benzene

Benzene and Aromaticity Part 1 - Structure of Benzene

Electron Delocalization by Resonance

Electron Delocalization by Resonance

Reactions at alpha carbon Part 12 -Reactivity of Enamines

Reactions at alpha carbon Part 12 -Reactivity of Enamines

Reactions at alpha carbon Part 6 -Alkylation of an Enolate Ion

Reactions at alpha carbon Part 6 -Alkylation of an Enolate Ion

Reactions at alpha carbon Part 3 - Alpha halogenation in Aldehydes and Ketones

Reactions at alpha carbon Part 3 - Alpha halogenation in Aldehydes and Ketones

Reactions at alpha carbon Part 14 -A Comparison of Claisen and Aldol

Reactions at alpha carbon Part 14 -A Comparison of Claisen and Aldol

Acidity of alpha hydrogen

Acidity of alpha hydrogen

Reactions at alpha carbon Part 4 - Hell Volhard Zelinsky Reaction

Reactions at alpha carbon Part 4 - Hell Volhard Zelinsky Reaction

Reactions at alpha carbon Part 10 -Crossed Aldol Reaction

Reactions at alpha carbon Part 10 -Crossed Aldol Reaction

Aldehydes and Ketones Part 20 - Formation of Imines

Aldehydes and Ketones Part 20 - Formation of Imines

Aldehydes and Ketones Part 19 - Formation of Enamines

Aldehydes and Ketones Part 19 - Formation of Enamines

Aldehydes and Ketones Part 18 - Chemoselective Reactions

Aldehydes and Ketones Part 18 - Chemoselective Reactions

Reactions at alpha carbon Part 11 -Claisen Ester Condensation

Reactions at alpha carbon Part 11 -Claisen Ester Condensation

Reactions at alpha carbon Part 13 -Crossed Claisen Ester Condensation

Reactions at alpha carbon Part 13 -Crossed Claisen Ester Condensation

Aldehydes and Ketones Part 7 - Reduction of acid chlorides, aldehydes, ketones & Esters

Aldehydes and Ketones Part 7 - Reduction of acid chlorides, aldehydes, ketones & Esters

Aldehydes and Ketones Part 17 - Kinetic & Thermodynamic products - nucleophilic addition

Aldehydes and Ketones Part 17 - Kinetic & Thermodynamic products - nucleophilic addition

Aldehydes and Ketones Part 8 - Reduction of Carboxylic acids and amides

Aldehydes and Ketones Part 8 - Reduction of Carboxylic acids and amides

Aldehydes and Ketones Part 6 - Addition of carbon nucleophiles to carbonyl carbon

Aldehydes and Ketones Part 6 - Addition of carbon nucleophiles to carbonyl carbon

Aldehydes and Ketones Part 16 - Direct & Conjugate Addition of alpha beta unsatd. carbonyl compounds

Aldehydes and Ketones Part 16 - Direct & Conjugate Addition of alpha beta unsatd. carbonyl compounds

Reactions at alpha carbon Part 16 -Decarboxylation of 3-oxo Carboxylic acids

Reactions at alpha carbon Part 16 -Decarboxylation of 3-oxo Carboxylic acids

Aldehydes and Ketones Part 13 - Carboxylic acids are protected as Esters

Aldehydes and Ketones Part 13 - Carboxylic acids are protected as Esters

Reactions at alpha carbon Part 8 -Aldol Addition Reaction

Reactions at alpha carbon Part 8 -Aldol Addition Reaction

Aldehydes and Ketones Part 11 - Protecting Groups

Aldehydes and Ketones Part 11 - Protecting Groups

Reactions at alpha carbon Part 9 -Aldol Condensation

Reactions at alpha carbon Part 9 -Aldol Condensation

Aldehydes and Ketones Part 10 - Hydrates and Acetals

Aldehydes and Ketones Part 10 - Hydrates and Acetals

Aldehydes and Ketones Part 15 - Wittig Reaction

Aldehydes and Ketones Part 15 - Wittig Reaction

Aldehydes and Ketones Part 12 - Protection of Alcohols

Aldehydes and Ketones Part 12 - Protection of Alcohols

Reactions at alpha carbon Part 7 -Michael Reaction

Reactions at alpha carbon Part 7 -Michael Reaction

Reactions at alpha carbon Part 17 -Malonic Ester Synthesis

Reactions at alpha carbon Part 17 -Malonic Ester Synthesis

Reactions at alpha carbon Part 5 - Formation of an enolate ion

Reactions at alpha carbon Part 5 - Formation of an enolate ion

Reactions at alpha carbon Part 15 -Dieckmann Condensation

Reactions at alpha carbon Part 15 -Dieckmann Condensation

Reactions at alpha carbon Part 18 -Acetoacetic Ester Synthesis

Reactions at alpha carbon Part 18 -Acetoacetic Ester Synthesis

Aldehydes and Ketones Part 14 - Baeyer Villiger Oxidation

Aldehydes and Ketones Part 14 - Baeyer Villiger Oxidation

Amines Part 7 - Electrophilic Aromatic Substitution in pyridine

Amines Part 7 - Electrophilic Aromatic Substitution in pyridine

Reactions of Benzene Part 3 - Nitration of Benzene

Reactions of Benzene Part 3 - Nitration of Benzene

Amines Part 6 - Pyridine

Amines Part 6 - Pyridine

Reactions of Benzene Part 2 - Halogenation of Benzene

Reactions of Benzene Part 2 - Halogenation of Benzene

Reactions of Benzene Part 4 - Friedel Crafts Acylation

Reactions of Benzene Part 4 - Friedel Crafts Acylation

Reactions of Benzene Part 5 - Freidel Crafts Alkylation

Reactions of Benzene Part 5 - Freidel Crafts Alkylation

Reactions of Benzene Part 8 - Effect of Substituents on Orientation of the incoming electrophile

Reactions of Benzene Part 8 - Effect of Substituents on Orientation of the incoming electrophile

Reactions of Benzene Part 1 - Why Benzene undergoes Electrophilic Aromatic Substn & not Addition

Reactions of Benzene Part 1 - Why Benzene undergoes Electrophilic Aromatic Substn & not Addition

Reactions of Benzene Part 7 - Synthesis of Trisubstituted Benzenes

Reactions of Benzene Part 7 - Synthesis of Trisubstituted Benzenes

Reactions of Benzene Part 6 - Nomenclature of Polysubstituted Benzenes

Reactions of Benzene Part 6 - Nomenclature of Polysubstituted Benzenes

Aldehydes and Ketones Part 9 - Catalytic Hydrogenation

Aldehydes and Ketones Part 9 - Catalytic Hydrogenation

February 10, 2023

February 10, 2023

Carboxylic Acid Derivatives Part 11 - Reactions of Ester

Carboxylic Acid Derivatives Part 11 - Reactions of Ester

Carboxylic Acid Derivatives Part 12 - Hydrolysis of Ester (acid Catalyzed &hydroxide ion promoted)

Carboxylic Acid Derivatives Part 12 - Hydrolysis of Ester (acid Catalyzed &hydroxide ion promoted)

Carboxylic Acid Derivatives Part 6 - Derivatives of Carbonic Acid

Carboxylic Acid Derivatives Part 6 - Derivatives of Carbonic Acid

Carboxylic Acid Derivatives Part 3 - Nomenclature of Acyl Halides

Carboxylic Acid Derivatives Part 3 - Nomenclature of Acyl Halides

Carboxylic Acid Derivatives Part 9 - Relative Reactivities of Carboxylic acid derivatives

Carboxylic Acid Derivatives Part 9 - Relative Reactivities of Carboxylic acid derivatives

Carboxylic Acid Derivatives Part 1 - Introduction

Carboxylic Acid Derivatives Part 1 - Introduction

Carboxylic Acid Derivatives Part 2 - Nomenclature

Carboxylic Acid Derivatives Part 2 - Nomenclature

Carboxylic Acid Derivatives Part 4 - Nomenclature of Esters and Cyclic Esters (lactones)

Carboxylic Acid Derivatives Part 4 - Nomenclature of Esters and Cyclic Esters (lactones)

Carboxylic Acid Derivatives Part 5 - Nomenclature of Amides and cyclic Amides (Lactams)

Carboxylic Acid Derivatives Part 5 - Nomenclature of Amides and cyclic Amides (Lactams)

Carboxylic Acid Derivatives Part 17 - Dicarboxylic acids

Carboxylic Acid Derivatives Part 17 - Dicarboxylic acids

Carboxylic Acid Derivatives Part 7 - Structure and Physical Properties

Carboxylic Acid Derivatives Part 7 - Structure and Physical Properties

Carboxylic Acid Derivatives Part 16 - Reactivity of Carboxylic Acids

Carboxylic Acid Derivatives Part 16 - Reactivity of Carboxylic Acids

February 5, 2023

February 5, 2023

Organometallic Compounds Part 4 - Metathesis

Organometallic Compounds Part 4 - Metathesis

Organometallic Compounds Part 3 - Heck coupling

Organometallic Compounds Part 3 - Heck coupling

Organometallic Compounds Part 2 - Suzuki Coupling

Organometallic Compounds Part 2 - Suzuki Coupling

Organometallic Compounds Part 1 - Introduction

Organometallic Compounds Part 1 - Introduction

Mass Spectrometry Part 9 - Mass Spectrum of Hydrocarbons

Mass Spectrometry Part 9 - Mass Spectrum of Hydrocarbons

Nomenclature of Random Compounds

Nomenclature of Random Compounds

Mass Spectrometry Part 3- Fragmentation in Alkyl Halides

Mass Spectrometry Part 3- Fragmentation in Alkyl Halides

Mass Spectrometry Part 8 - Fragmentation in Amines

Mass Spectrometry Part 8 - Fragmentation in Amines

Mass Spectrometry Part 7 - Fragmentation in Carboxylic acids

Mass Spectrometry Part 7 - Fragmentation in Carboxylic acids

Mass Spectrometry Part 4-Fragmentation in Ethers

Mass Spectrometry Part 4-Fragmentation in Ethers

Mass Spectrometry Part 2 - Mass Spectrum Interpretation

Mass Spectrometry Part 2 - Mass Spectrum Interpretation

Mass Spectrometry Part 1- Principle and working

Mass Spectrometry Part 1- Principle and working

NMR Spectroscopy Part 14 - HNMR Practice problem - isopropyl butanoate

NMR Spectroscopy Part 14 - HNMR Practice problem - isopropyl butanoate

NMR Spectroscopy Part 2 - Shielding and Deshielding

NMR Spectroscopy Part 2 - Shielding and Deshielding

NMR Spectroscopy Part 1- Basic Principles and Working

NMR Spectroscopy Part 1- Basic Principles and Working

NMR Spectroscopy Part 4 - Chemical Shift

NMR Spectroscopy Part 4 - Chemical Shift

Splitting of NMR signals

Splitting of NMR signals

NMR Spectroscopy Part 5 - Diamagnetic Anisotropy

NMR Spectroscopy Part 5 - Diamagnetic Anisotropy

Reactions at alpha carbon Part 2 - Keto-Enol Tautomerization

Reactions at alpha carbon Part 2 - Keto-Enol Tautomerization

NMR Spectroscopy Part 6 - Integration of NMR signals

NMR Spectroscopy Part 6 - Integration of NMR signals

NMR Spectroscopy Part 3 - Number of signals in NMR spectrum

NMR Spectroscopy Part 3 - Number of signals in NMR spectrum

NMR Spectroscopy Introduction

NMR Spectroscopy Introduction

IR Spectroscopy Introduction

IR Spectroscopy Introduction

C-H Absorption bands

C-H Absorption bands

Factors affecting absorption bands

Factors affecting absorption bands

N-H Stretching and Bending Vibrations

N-H Stretching and Bending Vibrations

Principles of IR Spectroscopy

Principles of IR Spectroscopy

C-O bonds in Alcohols, Ethers, Carboxylic acids and Esters

C-O bonds in Alcohols, Ethers, Carboxylic acids and Esters

OH absorption bands in alcohols and carboxylic acids

OH absorption bands in alcohols and carboxylic acids

Interpretation of IR spectrum

Interpretation of IR spectrum

Aldehydes and Ketones Part 3 - Nomenclature of Ketones

Aldehydes and Ketones Part 3 - Nomenclature of Ketones

Carboxylic Acid Derivatives Part 15 - Nitriles

Carboxylic Acid Derivatives Part 15 - Nitriles

Aldehydes and Ketones Part 4 - Reactivity of aldehydes and ketones

Aldehydes and Ketones Part 4 - Reactivity of aldehydes and ketones

Carboxylic Acid Derivatives Part 13 - Amides

Carboxylic Acid Derivatives Part 13 - Amides

Amides

Amides

Carboxylic Acid Derivatives Part 14 - Acid anhydrides

Carboxylic Acid Derivatives Part 14 - Acid anhydrides

Aldehydes and Ketones Part 2 - Nomenclature of Aldehydes

Aldehydes and Ketones Part 2 - Nomenclature of Aldehydes

Aldehydes and Ketones Part 1 - Introduction

Aldehydes and Ketones Part 1 - Introduction

Aldehydes and Ketones Part 5 - Grignard reagents with carbonyl compounds

Aldehydes and Ketones Part 5 - Grignard reagents with carbonyl compounds

Carboxylic Acid Derivatives Part 18 - Activation of Carboxylic acids

Carboxylic Acid Derivatives Part 18 - Activation of Carboxylic acids

Dicarboxylic acids

Dicarboxylic acids

Carboxylic Acid Derivatives Part 8 - Reactivity of carbonyl compounds

Carboxylic Acid Derivatives Part 8 - Reactivity of carbonyl compounds

Carboxylic Acid Derivatives Part 10 - Reactivity of Acid chlorides

Carboxylic Acid Derivatives Part 10 - Reactivity of Acid chlorides

Mass Spectrometry Part 5 - Fragmentation of Alcohols

Mass Spectrometry Part 5 - Fragmentation of Alcohols

Mass Spectrometry Part 6 - Fragmentation in Ketones

Mass Spectrometry Part 6 - Fragmentation in Ketones

Reactivity of Epoxides

Reactivity of Epoxides

Nomenclature of Epoxides

Nomenclature of Epoxides

Synthesis of Epoxides

Synthesis of Epoxides

Protecting Groups

Protecting Groups

Synthesis of Ethers

Synthesis of Ethers

Physical properties and reactivity of ethers

Physical properties and reactivity of ethers

Stereoselectivity of E1 and E2 reactions

Stereoselectivity of E1 and E2 reactions

E1 Reaction

E1 Reaction

Factors affecting SN1 and SN2

Factors affecting SN1 and SN2

E2 reaction Regioselectivity

E2 reaction Regioselectivity

E2 Reaction

E2 Reaction

Radicals HW problems

Radicals HW problems

Exam 2 Review

Exam 2 Review

Benzylic and Allylic Halides in Elimination Reactions

Benzylic and Allylic Halides in Elimination Reactions

comparison between SN1 and SN2 reactions

comparison between SN1 and SN2 reactions

Benzylic, Allylic, Vinylic and Arylic halides in Nucleophilic Substitution Reactions

Benzylic, Allylic, Vinylic and Arylic halides in Nucleophilic Substitution Reactions

Why SN1 reaction is favored by polar protic solvent and SN2 by polar aprotic solvents

Why SN1 reaction is favored by polar protic solvent and SN2 by polar aprotic solvents

SN1 Reaction

SN1 Reaction

Ethers, Epoxides and Sulfides

Ethers, Epoxides and Sulfides

Reaction 4: Hydroboration/Oxidation of Alkynes

Reaction 4: Hydroboration/Oxidation of Alkynes

Electrophilic addition to Alkynes introduction, Reaction 1: Hydrohalogenation of Alkynes

Electrophilic addition to Alkynes introduction, Reaction 1: Hydrohalogenation of Alkynes

Reaction 2: Acid Catalyzed addition of water to Alkynes

Reaction 2: Acid Catalyzed addition of water to Alkynes

Retrosynthetic Analysis

Retrosynthetic Analysis

Reaction 3: Halogenation of Alkynes

Reaction 3: Halogenation of Alkynes

Reaction 10: Ozonolysis

Reaction 10: Ozonolysis

Reaction 9: Formation of cis diols

Reaction 9: Formation of cis diols

Reaction 8: Formation of Epoxides from Alkenes

Reaction 8: Formation of Epoxides from Alkenes

Reaction 7: Oxymercuration followed by Reduction of Alkenes

Reaction 7: Oxymercuration followed by Reduction of Alkenes

Reaction 4: Hydroboration of Alkenes

Reaction 4: Hydroboration of Alkenes

Carbocation Rearrangements

Carbocation Rearrangements

Reaction 1: Hydrohalogenation of Alkenes

Reaction 1: Hydrohalogenation of Alkenes

Reaction 3: Acid Catalyzed addition of alcohol to alkene

Reaction 3: Acid Catalyzed addition of alcohol to alkene

Reaction 6: Halohydrin Formation

Reaction 6: Halohydrin Formation

Reaction 2: Hydration of Alkenes

Reaction 2: Hydration of Alkenes

Reaction 5: Halogenation of Alkenes

Reaction 5: Halogenation of Alkenes

Reaction 11: Catalytic Hydrogenation of Alkenes

Reaction 11: Catalytic Hydrogenation of Alkenes

Electrophilic Addition Reactions of Alkenes -Introduction

Electrophilic Addition Reactions of Alkenes -Introduction

Reaction 5: Catalytic Hydrogenation of Alkynes

Reaction 5: Catalytic Hydrogenation of Alkynes

Cis and Trans Isomerism of Alkenes

Cis and Trans Isomerism of Alkenes

Nomenclature of Cycloalkenes

Nomenclature of Cycloalkenes

Electrophilic Addition Reactions of Alkenes

Electrophilic Addition Reactions of Alkenes

Thermodynamic and Kinetics of a reaction

Thermodynamic and Kinetics of a reaction

Reactivity of Alkenes

Reactivity of Alkenes

Vinylic and Allylic carbons

Vinylic and Allylic carbons

How to draw curved arrows

How to draw curved arrows

Nomenclature of Alkynes

Nomenclature of Alkynes

Nomenclature of Alkenes

Nomenclature of Alkenes

Introduction to Alkenes

Introduction to Alkenes

Acids and Bases introduction

Acids and Bases introduction

Factors affecting pKa

Factors affecting pKa

Lewis acids and bases

Lewis acids and bases

Acidity of carboxylic acids, alcohols and amines

Acidity of carboxylic acids, alcohols and amines

Predicting the outcome of an acid base reaction

Predicting the outcome of an acid base reaction

Chirality

Chirality

Henderson Hasselbalch Equation’s application in Organic Chemistry

Henderson Hasselbalch Equation’s application in Organic Chemistry

Bicycloalkanes

Bicycloalkanes

Nomenclature of Alkanes (Part 2)

Nomenclature of Alkanes (Part 2)

Nomenclature of Alkanes (Part 1)

Nomenclature of Alkanes (Part 1)

Bicyloalkanes

Bicyloalkanes

Nomenclature of Alkanes (Part 3)

Nomenclature of Alkanes (Part 3)

Structure, physical properties of Alkanes, alkyl halides, alcohols and amines

Structure, physical properties of Alkanes, alkyl halides, alcohols and amines

Nomenclature of Cycloalkanes

Nomenclature of Cycloalkanes