321 questions from a source that prints this span of years rather than the year of each question. Each opens with its answer and explanation.
ABC26OR0500 · The mono protonation of adenine (X) in acidic solution (X) mainly occurs at · Natural Products & – General
ABC26OR0501 · Treatment of the pentapeptide Gly-Arg-Phe-Ala-Ala, in separate experiments, with the enzymes Trypsin, Chemotrypsin and Carboxypeptidase A… · Natural Products & – General
ABC26OR0502 · In the reaction, Compound X is · Natural Products & – General
ABC26OR0503 · Oxidation of X with chromic acid gives · Natural Products & – General
ABC26OR0504 · Cyanogen bromide (CNBr) specifically hydrolyses the peptide bond formed by the C - side of · Natural Products & – General
ABC26OR0505 · In the following reaction, The absolute configurations of the chiral centres in X and Y are · Natural Products & – General
ABC26OR0506 · In the two steps reaction sequence: the major product Y is: · Natural Products & – General
ABC26OR0507 · In the reactions, The major products X and Y, respectively are · Natural Products & – General
ABC26OR0508 · The decreasing order of isoelectric point for the following alpha -amino acids is Lysine Alanine Glutamic acid (I) (II) (III) · Natural Products & – General
ABC26OR0509 · In the reaction sequence the major products, [X] and [Y] respectively, are · Natural Products & – General
ABC26OR0510 · The sequence of an mRNA molecule produced from a DNA template strand with the composition 5'- AGCTACACT-3' is · Natural Products & – General
ABC26OR0511 · Number of thymine residues in a 5000 kb DNA containing 23 \% guanine residues is: · Natural Products & – General
ABC26OR0512 · A disaccharide that will not given Benedict's test and will not form osazone is · Natural Products & – General
ABC26OR0513 · The acid catalyzed cyclization of 5-ketodecan-1,9-diol is given below The most predominant sprioketal is · Natural Products & – General
ABC26OR0514 · The correct sequence of the amino acids present in the tripeptide given below is · Natural Products & – General
ABC26OR0515 · The major product of the following reaction is · Natural Products & – General
ABC26OR0516 · Amongst the following, the structure of guanosine is · Natural Products & – General
ABC26OR0517 · The compound given below is a (Hirsutene) · Natural Products & – General
ABC26OR0518 · A disaccharide does NOT give a positive test for Tollen's reagent. Upon acidic hydrolysis, it gives an equimolar mixture of two different… · Natural Products & – General
ABC26OR0519 · A tetrapeptide, made up of natural amino acids, has alanine as the N-terminal residue which is coupled to a chiral amino acid. Upon… · Natural Products & – General
ABC26OR0520 · Major product formed in the given reaction is: · Natural Products & – General
ABC26OR0521 · A correct example of a nucleotide is: · Natural Products & – General
ABC26OR0522 · A tripeptide on treatment with PhNCS(pH=8.0) followed by heating with dilute HCl afforded a cyclic com pound M and a dipeptide. The… · Natural Products & – General
ABC26OR0523 · Write the structure of the products X, Y and Z in the following sequence of reactions. · Organic Synthesis – General
ABC26OR0524 · The products formed in the following reaction are · Organic Synthesis – General
ABC26OR0525 · Pyrrole +PhMgBr E+F E+MeCl G+H F+MeCl no reaction without a catalyst. 1 2 3 MgBr The structure of products E-H, respectively are · Organic Synthesis – General
ABC26OR0526 · The reactants that lead to products (X) and (Y) on ozonolysis are (I) (II) (III) (IV) · Organic Synthesis – General
ABC26OR0527 · Reaction of phenylacetylene with sodamide in liquid ammonia generates · Organic Synthesis – General
ABC26OR0528 · Identify the correct choice of reagents, among P, Q and R , for the transformation of norbornene into the epoxides I and II P=H2 O2-AcOH… · Organic Synthesis – General
ABC26OR0529 · Reaction of ethyl acetoacetate with one equivalent of methylmagnesium bromide gives · Organic Synthesis – General
ABC26OR0530 · The major product P of the following reaction is · Organic Synthesis – General
ABC26OR0531 · Which of the statement is CORRECT about the mechanism of the following reaction? · Organic Synthesis – General
ABC26OR0532 · The prodcuts P and Q in the following sequence of reactions, respectively, are · Organic Synthesis – General
ABC26OR0533 · The reagent for selective reduction of the aldehyde group in Q obtained in the above reaction is · Organic Synthesis – General
ABC26OR0534 · The reaction, · Organic Synthesis – General
ABC26OR0535 · Oxidation of X with chromic acid chiefly gives · Organic Synthesis – General
ABC26OR0536 · The major proeduct of the following reaction is · Organic Synthesis – General
ABC26OR0537 · The compound that is NOT oxidized by KMnO4 is: · Organic Synthesis – General
ABC26OR0538 · The major product P of the following reactions is · Organic Synthesis – General
ABC26OR0539 · The major product of the following reaction is: · Organic Synthesis – General
ABC26OR0540 · The major product of the following reaction is · Organic Synthesis – General
ABC26OR0541 · In the reaction the major product X is · Organic Synthesis – General
ABC26OR0542 · Reaction of m-menthylanisole with lithium in liquid ammonia and t-butyl alcohol at-33°C generates compound X as the major product… · Organic Synthesis – General
ABC26OR0543 · In the reaction sequence the major products X and Y, respectively are · Organic Synthesis – General
ABC26OR0544 · In the reaction the major product [X] is: · Organic Synthesis – General
ABC26OR0545 · In the reaction, the major products, [X] and [Y], respectively, are · Organic Synthesis – General
ABC26OR0546 · The compound [X] is: · Organic Synthesis – General
ABC26OR0547 · The compound [Z] is: · Organic Synthesis – General
ABC26OR0548 · In the following reaction, the major product [X] is: · Organic Synthesis – General
ABC26OR0549 · The mosjt appropriate sequence of reactions for carrying out the following conversion is · Organic Synthesis – General