List of top Organic Chemistry Questions

Exhaustive hydrogenation of the following compound

under Pd/C generates a saturated hydrocarbon as the product.
The number of stereoisomers possible for this product is _______.

The reaction(s) that yield(s) X as the major product is (are)

A reaction of 10.50 g of 1,2-diphenylethane-1,2-dione with conc. NaOH followed by aqueous acidic work-up furnished 8.55 g of a carboxylic acid. The yield of the carboxylic acid in this reaction is _______ %.
(rounded off to the nearest integer)

The specific rotation of an optically pure compound is +75.3 (c 1.0 in CHCl₃) at 20 °C. A synthetic sample of the same compound showed a specific rotation of +66.3 (c 1.0 in CHCl₃) at 20 °C. The enantiomeric excess (ee) of the synthetic sample is _______ %.
(rounded off to the nearest integer)

Consider the following ¹H-NMR (400 MHz, DMSO-d₆) data of a compound :
δ in ppm: 3.85 (s, 6H), 6.73 (t, J = 2.2 Hz, 1H), 7.1 (d, J = 2.2 Hz, 2H), and 13.05 (brs, 1H).
The compound is

The suitable synthetic route(s) for the following transformation

is/are

The acidity of the compounds shown below

follows the order

The pair of proteins having heme core is

The suitable reagent combination for the following transformation

is

The major products X and Y in the following reactions

respectively, are

Among the following, the chiral molecule(s) is/are

The major product formed in the following reaction

is

The compound(s) which on reaction with CH₃MgBr followed by treatment with aqueous NH₄Cl would produce 1-methyl-1-phenylethanol as the major product is/are

The major product formed in the following reaction Me Me ONO Me

is

In the following reaction

optically pure ester X formed product that did not exhibit optical rotation ([α]D=0) due to the formation of 
(Note: Ts=para-toluenesulfonyl; Ac=acetyl)

Among the following, the compound(s) which produce the same osazone as that obtained from D-glucose, when reacted with phenylhydrazine, is/are

The major product formed in the following reaction

is.

The following dipeptide derivative is used as an artificial sweetener:

The constituent α-amino acids of this dipeptide are

In the given reaction sequence, the amount of R produced (in g) is ______.

(Given: molar mass (in g mol^-1) of H = 1, C = 12, N = 14, O = 16, and S = 32)
(rounded off to two decimal places)

Which of the following is a meta directing group:

The IUPAC name of tartaric acid is:

In which limit test, Thioglycolic acid is used: