General Organic Chemistry
62 questions in this chapter, page 1 of 2.
Study loop for General Organic Chemistry
1. Practise the PYQsPrevious-year questions, with answers
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
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
ABC26OR0031 · The increasing order of pKa values of the circled hydrogens in the following compounds is (I) (II) (III) · DEC 2014
ABC26OR0065 · The correct order of basicity of the following compounds is CH2NO2 (A) 2CN (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 (A) (B) (C) · JUNE 2011
ABC26OR0776 · Which of the following are aromatic? P Q R S · 2005-2022
ABC26OR0010 · With respect to electrophilic aromatic substitution, reactivity order of pyrrole, pyridine and indole is · JUNE 2011
ABC26OR0786 · Among the following, the number of molecules that are aromatic 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
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
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
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
ABC26OR0069 · The correct statement about for the orientation of the bromine atoms in the most stable conformations of A and B is A B · DEC 2019
General Organic Chemistry – General
ABC26OR0780 · Electrophilic nitrations of the following compounds follow the trend P Q R S · 2005-2022
ABC26OR0783 · The homolytic breaking of the Ca-Cb bond is easiest in: · 2005-2022
ABC26OR0019 · In the compound given below, the hydrogens marked A and B are · JUNE 2013
ABC26OR0020 · Among the following compounds, the one which has highest dipole moment is · JUNE 2013
ABC26OR0022 · Amongst the following, the compound which has the lowest energy barrier for the cis-trans isomerisation is: · DEC 2013
ABC26OR0024 · The two benzylic hydrogens HA and HB in the compounds I and II, are (I) (II) · DEC 2013
ABC26OR0028 · Consider the following statements about cis- and trans-decalins (A) cis-isomer is more stable than trans-isomer (B) trans-isomer is more… · DEC 2013
ABC26OR0038 · In the following compound, the stereochemical descriptor for Ha and Hb is · JUNE 2015
ABC26OR0040 · The correct order of magnitude of 'A values' for the given substituents in cyclohexane derivatives is X = CH3, CN, Ph · JUNE 2015
ABC26OR0045 · Methyl groups in the following compound are · DEC 2016
ABC26OR0054 · For the following compounds, the correct order of reactivity towards nucleophilic acyl substitution is · JUNE 2018
ABC26OR0061 · In the following equilibrium, conformer B is more stable than A when R is A · JUNE 2019
ABC26OR0064 · The correct order for the rate of thermal decarboxylation of the following compounds is A B C · DEC 2019
ABC26OR0070 · The synthetic equivalent of given synthon is C=O · DEC 2019
ABC26OR0071 · The number of geometrical isomers of the complex [RhH(C ≡ CR)2 (PMe3)3] · DEC 2019
ABC26OR1097 · The pKa values for the following compounds A B C Are in the order · JUNE 2021
Inductive Resonance Effects
ABC26OR0775 · The correct statement describing the relationship between · 2005-2022
Nomenclature Polycyclics
ABC26OR0008 · The IUPAC name of the following compound is · JUNE 2011
ABC26OR0012 · The IUPAC name of the compound given below is: · JUNE 2012
ABC26OR0018 · The IUPAC name for the compound given below is · JUNE 2013
ABC26OR0023 · The IUPAC name of the compound given below is · DEC 2013
ABC26OR0048 · The IUPAC name of the following compound is · JUNE 2017
ABC26OR0056 · IUPAC nomenclature of the following propellane is · JUNE 2018