List of top Organic Chemistry Questions asked in Graduate Pharmacy Aptitude Test

The hydrogen deficiency index for a compound with molecular formula \(C_{13}H_9N_2O_4BrS\) is

Formaldehyde undergoes Grignard reaction to give

One of the following functional group makes benzoic acid weaker

The Crystal form of Sulphacetamide is

Antifungal agent 5-fluorocytosine is converted to its active metabolite 5-fluorouracil by one of the following fungal enzyme :

An aldopentose can be converted into aldohexose by:

The weakly acidic nature of warfarin is attributed to the presence of:

Which of the following is Anti aromatic?

Walden inversion or complete reversal of stereochemistry occurs in one of the following substitution reaction

What is the product of the following reaction?

Product of the following reaction:

Following amino acid does not exhibit optical isomerism:

Electron releasing groups stabilizes free radicals by:

The heterocyclic nucleus present in nitrofurantoin are:

The specific reagents used in skraup synthesis of quinoline are:

This 4-amino quinoline antimalarial drug marketed as R, S isomer, has two trifluromethyl moieties at position 2' and 8' and no electronegative substituent either at 6' or 7' positions is:

The polymorphs exhibit the following different properties Except:

Which of the following rearrangement involves migration of a group from carbon to electron deficient nitrogen?

The condensation of an active methylene compound with formaldehyde and an amine to form B-amino carbonyl compound is known as:

Which of the following is the example of "Invert Sugar"?

If two monosaccharides differ in their structure around a single carbon atom, they are called as

The Nitration of quinoline gives a mixture of ___

Which of the following groups stabilizes carbocation in electrophilic aromatic substition?

Propanone and 2-hydroxy propene are;

One of the following statement with respect to carbachol is NOT correct Identify :