425 questions from a source that prints this span of years rather than the year of each question. Each opens with its answer and explanation.
ABC26OR0915 · (being typed) · Stereochemistry – General
ABC26OR0916 · The Cahn-Ingold-Prelog (CIP) priorities of the group and the absolute configuration (R/S) of the following compounds are · Stereochemistry – General
ABC26OR0917 · The correct sequence of relationship between the compounds of the following pairs i-iv is (i) (ii) (iii) (iv) · Stereochemistry – General
ABC26OR0918 · The optically active stereoisomer of the following compound is · Stereochemistry – General
ABC26OR0919 · The pair of conformation that has maximum energy difference is: · Stereochemistry – General
ABC26OR0920 · Specific rotations of freshly prepared aqueous solutions of I and II are +112 and +18.7, respectively. On standing the optical rotation of… · Stereochemistry – General
ABC26OR0921 · Which one among the following molecules is chiral? · Stereochemistry – General
ABC26OR0922 · The structure of (2S, 3R)-2-amino-3-hydroxy butanoic acid is · Stereochemistry – General
ABC26OR0923 · Among the following, the most stable conformation of meso-2,3-dibromobutane is · Stereochemistry – General
ABC26OR0924 · The number of all possible isomers for the molecular formula C6 H14 is ____ . · Stereochemistry – General
ABC26OR0925 · Among the following, the number of molecules that possess C2 axis of symmetry is ____ . BF3 CHCl3 2,5-dimethylthiophene · Stereochemistry – General
ABC26OR0926 · Catalytic hydrogenation of the following compound produces saturated hydrocarbon(s). The number of stereoisomer(s) formed is · Stereochemistry – General
ABC26OR0927 · The total number of pair of enantiomers possible with molecular formula C5 H12 O is · Stereochemistry – General
ABC26OR0928 · The compounds having C3-axis of symmetry are I II III IV · Stereochemistry – General
ABC26OR0929 · The number of compounds having S-configuration among the following is ____ . · Stereochemistry – General
ABC26OR0930 · Among the dimethylcyclohexanes, which one can be obtained in enantiopure form? · Stereochemistry – General
ABC26OR0931 · The number of stereoisomers possible for the following compound is ____ . · Stereochemistry – General
ABC26OR0932 · The diastereomeric pair(s) among the following option(s) is/are · Stereochemistry – General
ABC26OR0933 · The number of gauche-butane interaction(s) in the following compound is ____ . · Stereochemistry – General
ABC26OR0934 · (R)-2-methyl-1-butanol has a specific rotation of +13.5 . The specific rotation of 2-methyl-1-butanol containing 40\% of the (S)-enantiomer… · Stereochemistry – General
ABC26OR0935 · Achiral stereisomer(s) is(are) possible for · Stereochemistry – General
ABC26OR0936 · The dihedral (torsional) angle (in degrees) between the two methyl groups in the most stable conformation of n-butane is ____ (Round off to… · Stereochemistry – General
ABC26OR0937 · The more stable species in each pair of conformers are I II V VI · Stereochemistry – General
ABC26OR0938 · Total number of constitutional isomers possible for trimethyl cyclohexane is ____ . · Stereochemistry – General
ABC26OR0939 · For the molecule, CH3-CH=CH-CH(OH)-CH=CH-CH=C (CH3 )2 the number of all possible stereoisomers is ____ . · Stereochemistry – General