Test: Heterocyclic Level - 2 - Chemistry MCQ

The major products X and Y formed in the following reactions are:

Papaverine on oxidation with potassium permanganate gives a ketone, which on fusion with potassium hydroxide gives:

The major product formed in the reaction of quinoline with potassium amide (KNH₂) in liquid ammonia is:

The major products A and B formed in the following reaction sequence are:

In the following reaction A and B are:

The major product formed in the following reaction is:

The major product formed in the reaction of guanosine with one equivalent of methyl iodine is:

In the following reaction sequence, structure of the major product X and Y are:

The major product formed in the following reaction is:

The major product formed in the following reaction is:

The reactive position of nicotinamide adenine dinucleotide (NAD) in bio logical redox reactions is:

The major product formed in the following reaction sequence is:

In the following reaction, the intermediate and the major product A are:

In the following transformation, the reagent A and the major product B, respectively, are:

The major product formed in the reaction of 2, 5-hexanedione with P₂O₅ is:

The correct order for the rates of electrophilic aromatic substitution of the following compound is:

The reaction of 1-bromo-2-fluorobenzene with furan in the presence of one equivalent of Mg gives:

The major product of the following reaction is:

The major products A and B in the reactions sequences are:

The correct statement about the following reaction is:

The correct structure of the intermediates (A) and (B) in the following reactions are:

The correct reagent combination A and the major product B in the following reaction sequence are:

The major produced formed in the following reaction is:

The major products A and B in the reactions sequences are:

The major product of the following reaction is: