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

The C-2 epimer of D-glucose is:

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

Identify whether all three are:

Which among the following Cephalosporins has an unusual 5-thio-1,2,3,4-tetrazole substituent attached to core heterocyclic nucleus through a methylene bridge?

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

_____ is an example of aromatic nucleophilic substitution reaction.

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:

Isoquinoline on treatment with oleum at 90°C yields majorly:

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:

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

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

Dipole-dipole weak interactions are also called as:

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

Identify pair of C₄ epimers:

Choose the correct and major product formed in the below-given reaction from the choices listed below:

One of the following match is correct choose it:

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

How many optical isomers are possible for lactic acid?

___activates G-protein gated potassium channel resulting in membrane hyperpolarization.

Predict the theoretical max value for the following compound using Woodward-Fieser rules. Base value for the compound is 215 nm:

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

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

Identify A, B and C in below reaction:

What is the popular common name for a bioactive compound with chemical name of (m-hydroxyphenyl)-trimethyl ammonium methyl sulphate dimethyl carbomate?