List of top Organic Chemistry Questions asked in IIT JAM CY

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)

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)

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 acidity of the compounds shown below

follows the order

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 pair of proteins having heme core 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 molecular weight of the major product of the reaction is (in integer).

[Given: atomic weight of H=1, C=12, N=14, and Br=80]

The structure of Q in the following reaction scheme is.

The major product of the reaction is

The major product Y in the following reaction scheme is

The major product of the reaction is

The major product in the following reaction is

The major product of the reaction is