Top 150+ Solved Pharmaceutical Organic Chemistry 3 MCQ Questions Answer
Q. Which product will be produced when pyrrole undergoes catalytic reduction in presence ofhydrogen gas and Ni metal?
a. 2 – pyrroline
b. 3 – pyrroline
c. Pyrrolidine
d. All of the above
Q. Pyrrole potassium on treatment with CO2 under pressure give mixture of 2 and 3 pyrrole – carboxylic acid, identify the reaction.
a. Kolbe-Schmidt reaction
b. Reamer-Tiemann reaction
c. Gattermann Koch reaction
d. Coupling reaction
Q. Pyrrole is heated with_________ to open the ring and form succinaldehyde dioxime.
a. Concentrated sulphuric acid
b. Strong alkali with pyridine
c. Hydrogen cyanide with HCl
d. Ethanolic hydroxylamine hydrochloride
Q. Atorvastatin, drug useful in CVS disease, contain heterocyclic ring______.
a. Pyrazole
b. Pyrrole
c. Imidazole
d. Purine
Q. Bepridil, calcium channel blocker, contain heterocyclic ring_____
a. Pyrrole
b. Purine
c. Indole
d. Pyridine
Q. Ondansetron, anti emetic drug, contain heterocyclic ring______.
a. Thiophene
b. Pyrrole
c. Furan
d. Pyrimidine
Q. Which drug(s) possess pyrrole heterocyclic compound from the followings?
a. Captopril
b. Lincomycin
c. Triprolidine
d. All of the above
Q. Which would be the intermediate in the following reaction?
a. Furan – 2 carboxide
b. Furan- 2 – carbinol
c. Furoic acid
d. None of the above
Q. Which would be the product when furan undergoes sulfonation in the presence of SO3 andpyridine?
a. Furan – 2 – sulfolic acid
b. Furan – 3 – sulfonic acid
c. Mixture of (a) & (b)
d. None of the above
Q. Which reagent is used for the nitration of furan?
a. Conc. Nitric acid and sulphuric acid
b. Acetyl nitrate
c. Nitrobenzene
d. Dilute nitric acid with benzene
Q. Friedel craft acetylation of furan by using acetic anhydride is carried out in the presence of catalyst______.
a. AlCl3
b. FeCl3
c. BF3
d. LIAlH4
Q. Identify the reaction: when furan react with aryl diazonium chloride in the presence ofstrong alkali to produce 2 – aryl furan.
a. Mercuration
b. Gattermann Koch reaction
c. Kolbe reaction
d. Gomberg reaction