List of top Organic Chemistry Questions asked in GPAT

Select the correct product A of the above-given reaction from the four choices given below:

The perfect orientation for a Diels-Alder reaction between the reactants is:

Which one among the following drugs has the IUPAC \(α.α.\overline{α}.\overline{α}\)-tetramethyl 5-(1 H-1, 2,4-triazole- 1-ylmethyl)-1,3-benzenediacetonitrile:

Which one of the following compound is a precursor for the biosynthesis of cholesterol?

How many optical isomers are possible for lactic acid?

E2 elimination converts neomethyl chloride into a mixture of the following compounds:

Establishing a complete structure of is more complex problem than others.

Dipole-dipole weak interactions are also called as:

A mixture of p-anisaldehyde and formaldehyde in the presence of concentrated sodium hydroxide resultsin:

A reagent may attach itself to a conjugated diene to the carbons at the two ends of the conjugated system. Identify the reaction involved from the following:

Ethyl-2 (p-chlorophenoxyl)-2-methyl propionate is IUPAC name of:

The reaction between napthalene and chromium trioxide in the presence of glacial acetic yields:

Following groups exert any one of the effects on electrophilic aromatic substitution

Identify whether all three are:

Electrophilic substitution reaction of pyridine, when carried out in the presence of KNO₃ and conc. H2SO₄ at 300°C, leads to the formation of:

Which of the following surfactants is an ANIONIC surfactant?

Which of the following is the common chemical name for Propellant 11?

Conversion of cyclic ketone to ring expended cyclic ester takes place by:

A = Br₂, B = KOH, C = NaNH₂ Which heterocyclic ring is fused to a steroidal nucleus in Danazol?

Addition of HBr to 1.3-butadiene at 40°C yields:

Identify A, B and C in below reaction:

Which of the following factor make carbonyl group in acyl compounds, too, susceptible to nucleophilic attack?

The tendency of carbon to loose electrons even at the expense of gaining positive chargeIdentify intermediate forms in following substitution reaction:

_____ is an example of aromatic nucleophilic substitution reaction.

Identify pair of C₄ epimers:

Amphetamine undergoes one of the following metabolic reaction to convert to 1-phenyl-2-propanol metabolite via ketone formation: