General Organic Chemistry · Organic Chemistry

93 questions in this chapter.

Acidity Basicity

ABC26OR0771 · Arrange the following in the decreasing order of acidity of the hydrogen indicated in italic (i) CH3 COCH3 (ii) CH3 COCH2 COCH3 (iii) CH3… · 2005-2022
ABC26OR0772 · The increasing order of the acidity of the hydrogen marked in bold italics among the following is: I II III · 2005-2022
ABC26OR0774 · The correct order of acidity among (i) (ii) (iii) (iv) ; is · 2005-2022
ABC26OR0006 · The correct order of acidity of the following compound A-C is: · JUNE 2011
ABC26OR0777 · Arrange the following in the correct order of acidity of the hydrogen indicated in bold. P Q R · 2005-2022
ABC26OR0014 · The correct order of acidity of the compounds A-C is: A B C · DEC 2012
ABC26OR0785 · The correct order of the pKa values for the conjugate acids of heterocyclic compounds given below is (I) (II) (III) (IV) · 2005-2022
ABC26OR0787 · The correct order of pKa for the following compounds is (I) (II) (III) (IV) · 2005-2022
ABC26OR0790 · The compound that contains the most acidic hydrogen is · 2005-2022
ABC26OR0025 · (being typed) · DEC 2013
ABC26OR0031 · The increasing order of pKa values of the circled hydrogens in the following compounds is (I) (II) (III) · DEC 2014
ABC26OR0032 · The decreasing order of basicity of the following compounds is (I) (II) (III) (IV) · DEC 2014
ABC26OR0041 · The correct order of pKa values for the compounds X, Y and Z is (X) (Y) (Z) · JUNE 2015
ABC26OR0043 · The correct order of the acidity for the following compounds is A B C · DEC 2016
ABC26OR0050 · (being typed) · DEC 2017
ABC26OR0065 · The correct order of basicity of the following compounds is A B C D · DEC 2019
ABC26OR0072 · The correct order of pKa of the following compounds is A B C · DEC 2019

Aromaticity

ABC26OR0773 · The value of 'n' for the following molecule according to Huckel's rule is · 2005-2022
ABC26OR0004 · Among the carbocations given below · JUNE 2011
ABC26OR0776 · Which of the following are aromatic? P Q R S · 2005-2022
ABC26OR0779 · The species/compounds that are aromatic among the following are P Q R S · 2005-2022
ABC26OR0010 · With respect to electrophilic aromatic substitution, reactivity order of pyrrole, pyridine and indole is · JUNE 2011
ABC26OR0784 · Which of the following species is/are aromatic in nature? · 2005-2022 self-practice
ABC26OR0786 · Among the following, the number of molecules that are aromatic is ____ . · 2005-2022
ABC26OR0789 · Among the following, the number of aromatic compound(s) is · 2005-2022
ABC26OR0029 · The correct order for the rates of electrophilic aromatic substitution of the following compound is (I) (II) (III) · DEC 2013
ABC26OR0030 · The compound that is antiaromatic is (I) (II) (III) (IV) · DEC 2014
ABC26OR0055 · The correct statement about the following species is A B · JUNE 2018

Carbocation Stability

ABC26OR0005 · The relative rates of solvolysis of iodides A-C are · JUNE 2011
ABC26OR0782 · The Correct order of stability of the following carbonium ions is (I) (II) (III) · 2005-2022
ABC26OR0791 · The correct order of stability for the following carbocations is I II III IV · 2005-2022 self-practice
ABC26OR0052 · The correct order of stability of the following carbocations is (A) (B) (C) · DEC 2017
ABC26OR0057 · The correct order of rate of solvolysis in 80\% ethanol at 25°C is A B C · JUNE 2018
ABC26OR0068 · The correct order of stability of the carbocations A-C is A B C · DEC 2019

Conformational Analysis

ABC26OR0003 · In the most stable conformation of trans-1-t-butyl-3-methylcyclohexane, the substituents at C-1 and C-3, respectively, are · JUNE 2011
ABC26OR0007 · (being typed) · JUNE 2011
ABC26OR0017 · Given the energy of each gauche butane interaction is 0.9 kcal / mol, G value of the following reaction is (e,e conformer) · DEC 2012
ABC26OR0021 · The most stable conformations of 1, 2-difluoroethane and dl-2, 3-butanediol are · JUNE 2013
ABC26OR0033 · The most stable conformation for the following compound is · JUNE 2015
ABC26OR0036 · The hydrocarbon among the following having conformationally locked chair-boat-chair form is · JUNE 2015
ABC26OR0039 · The correct statements about conformations X and Y of 2-butanone are (X) (Y) (A) X is more stable than Y (B) Y is more stable than X (C)… · JUNE 2015
ABC26OR0046 · Among the structures given below, the most stable conformation for the following compound is · DEC 2016
ABC26OR0049 · The most stable conformation for the following compound is · JUNE 2017
ABC26OR0051 · Among the structures given below, the one that corresponds to the most stable conformation of compound A is · DEC 2017
ABC26OR0058 · The correct statement about the following compounds is: A B · JUNE 2018
ABC26OR0063 · The most stable conformation of the following molecule is: · JUNE 2019
ABC26OR0069 · The correct statement about for the orientation of the bromine atoms in the most stable conformations of and B is A B · DEC 2019

General Organic Chemistry – General

ABC26OR0001 · The configurations at the two stereocentres in the compound given below are · JUNE 2011
ABC26OR0778 · The product P and Q in the following reactions, respectively, are · 2005-2022
ABC26OR0780 · Electrophilic nitrations of the following compounds follow the trend P Q R S · 2005-2022