265 questions from a source that prints this span of years rather than the year of each question. Each opens with its answer and explanation.
ABC26OR0820 · The C-2 epimer of D-glucose is · Natural Products & – General
ABC26OR0822 · The complementary strand for the following single strand of DNA is 5' ← A-T-G-C-T → 3' · Natural Products & – General
ABC26OR0823 · In the following reaction of (D)-Glucose, a product P is formed. (D)-Glucose [2. H2O2, Fe2(SO4)3]1. Br2/H2O P Among the following… · Natural Products & – General
ABC26OR0825 · Based on the information given below, the isoelectric point (pI) of lysine is ____. (Round off to one decimal place) · Natural Products & – General
ABC26OR0826 · The amino acid R configuration is · Natural Products & – General
ABC26OR0827 · The nucleobase NOT found DNA is · Natural Products & – General
ABC26OR0829 · The functional group (s) in reducing sugar that tests positive with Tollen's reagent is (are) · Natural Products & – General
ABC26OR0831 · For the reaction shown below if the concentration of KCN is increased four times, the rate of the reaction will be : + KCN + KCl · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0832 · Benzyl chloride is reacted with different nucleophiles shown below. Arrange them in the decreasing order of reactivity. Nucleophiles : HO… · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0833 · The reaction of (+) 2-iodobutane and NaI * (I* is radioactive isotope of iodine) in acetate was studied by measuring the rate of… · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0841 · R(-)2–Bromooctane on treatment with aqueous KOH mainly gives 2-octanol that is: · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0842 · The major product obtained in the following reaction is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0848 · The rates of acetolysis for the following norbornyl derivatives are in the order P Q R · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0849 · The order of nucleophilicity of the following anions in a SN 2 reaction is: P Q R S · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0853 · The structure of the major product in the following reaction is: · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0855 · The correct order of rate of solvolysis for the following compound is I II III · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0856 · The rate of solvolysis of I–IV follows (I) (II) (III) (IV) · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0857 · The rate of nitration of the following aromatic compounds decreases in the order (i) benzene (ii) pyridine (iii) thiophene (iv) toluene · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0859 · The major product (X) in the reaction (trace of H2O), 25°C (X) is: · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0860 · The product of the reaction C6H6+CO+HCl[heat]AlCl3/Cu2Cl2 gives positive test with Fehling’s solution. The product is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0864 · The major product of the following reaction + · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0868 · Among the following the major product obtained in the reaction below is: · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0876 · The number of possible monoalkylated products formed in the Friedel-Crafts reaction of anisole with 2-chloro-3-methylbutane in the presence… · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0877 · The appropriate reagents required for carrying out the following transformation are · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0878 · In the following reactions, the major products E and F, respectively are (i) NaOH/CO2 E F · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0879 · The major product S of the following reaction is S · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0880 · The correct set of reagents for the following conversion is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0882 · The sequence of three steps involved in the following conversion is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0883 · The correct option for the product(s) of the following reaction is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0884 · The main product obtained in the following reaction is [?] · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0888 · The major product formed in the following reaction is Product · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0890 · The correct set of reagents required for the following transformation is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0891 · Identify the correct reagents required for the following transformation · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0892 · The major products X and Y in the following reaction sequence are · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0894 · The appropriate reagents required for carrying out the following transformation are · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0895 · The product R in the following reaction is R · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0896 · The following conversion is carried out using · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0897 · The product X in the following reaction sequence is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0900 · The major product formed in the following reaction is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0901 · The major product formed in the following reaction sequence is iii. Ph3P=CH2, THF · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0902 · The major product formed in the following reaction is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0904 · The major product formed in the following reaction is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0905 · Which one of the following options is best suited for effecting the transformation? · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0906 · After the following interchanging of groups in the Fischer projection of 2-bromobutane, the configuration of (X) and (Y) will be (Y) · Stereochemistry – General
ABC26OR0909 · Which one of the following compounds is optically active? (1) (2) (3) (4) · Stereochemistry – General
ABC26OR0910 · Among the following, the correct statement concerning the optical activity is: · Stereochemistry – General
ABC26OR0911 · The maximum number of stereoisomers possible for 4-phenylbut-3-en-2-ol is · Stereochemistry – General
ABC26OR0912 · Which of the following is achiral? · Stereochemistry – General
ABC26OR0913 · Benzene and Dewar benzene are · Stereochemistry – General
ABC26OR0914 · The most stable conformation of the molecule shown below is correctly represented by · Stereochemistry – General