Top 150+ Solved Pharmaceutical Organic Chemistry 3 MCQ Questions Answer
Q. Which of the following compounds can exhibit geometrical isomerism?
a. 1-Hexene
b. 2-Methyl-2-Pentene
c. 3-methyl-1-pentene
d. 2-Hexene
Q. Which of the following is a not a five membered ring?
a. Pyridine
b. Pyrrole
c. Furan
d. Thiophene
Q. Which of the following five membered a ring is most resonance stabilized?
a. Furan
b. Thiophene
c. Pyrrole
d. Pyridine
Q. Five membered rings come under which category of heterocycle classification on the basisof chemical behavior?
a. -excessive heterocycle
b. -deficient heterocycle
c. -equivalent heterocycle
d. Can’t say about the five membered rings
Q. Which is the most reactive five membered heterocyclic compound?
a. Pyrrole
b. Furan
c. Thiophene
d. Pyridine
Q. What is the product when thiophene reacts with Br2 in benzene?
a. 2-bromothiophene
b. 3-bromothiophene
c. 2,5-dibromothiophene
d. 3,4-dibromothiophene
Q. What is the product when pyrrole reacts with Br2 in ethanol?
a. 2,3-dibromopyrrole
b. 2,3,4,5-tetrabromopyrrole
c. 2,5-dibromopyrrole
d. 3,4-dibromopyrrole
Q. What is the name of the following reaction?
a. Gattermann reaction
b. Riemer tiemann reaction
c. Friedal craft reaction
d. Blanc’s chloromethylation
Q. What is the name of the following reaction?
a. Gattermann reaction
b. Riemer tiemann reaction
c. Friedal craft reaction
d. Blanc’s chloromethylation
Q. What will be the reagent used for the completion of the following reaction?
a. Concentrated acid
b. Dilute acid
c. Concentrated base
d. Dilute base