List of top Organic Chemistry Questions

The correct statement(s) regarding P, Q, R, and S is (are) :

The acidity of the compounds shown below

follows the order

Fischer presentation of D-(-)-fructose is given below.

The correct structure of α-L-(+)-fructofuranose is

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 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)

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

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

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 suitable synthetic route(s) for the following transformation

is/are

The major product formed in the following reaction

is

The major product formed in the following reaction
|
is

The major products X and Y in the following reactions

respectively, are

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)

The major product formed in the following reaction; 

is

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

is

The major product formed in the following reaction

is.

The suitable reagent combination for the following transformation

is

The following dipeptide derivative is used as an artificial sweetener:

The constituent α-amino acids of this dipeptide are

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

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

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)

Consider the following reaction sequence. The correct option(s) is (are)

The correct statement(s) about the relationship for the H-atoms in the following compounds is (are) :

The correct option(s) that give(s) P as the major product is (are)