Pharmaceutical Organic Chemistry 3 MCQs

V

Vikash Gupta • 24.35K Points
Instructor III

Q 41. Complete the reaction:

(A) Br2
(B) HBr
(C) KBr in alcohol
(D) NaBr in pyridine
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V

Vikash Gupta • 24.35K Points
Instructor III

Q 42. Identify the following reaction:

(A) Gomberg reaction
(B) Reamer tiemann reaction
(C) Benzoin condensation
(D) Aldol condensation
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P

Praveen Singh • 27.20K Points
Instructor II

Q 43. Identify the following reaction:

(A) Cannizaro reaction
(B) Benzoin condensation
(C) Gomberg reaction
(D) Mercuration
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P

Priyanka Tomar • 25.98K Points
Instructor II

Q 44. Bromination of furan by using Br2 will produce_________.

(A) 2 – bromo furan
(B) 3 – bromo furan
(C) 2,5 – dibromo furan
(D) None of the above
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P

Praveen Singh • 27.20K Points
Instructor II

Q 45. Identify the reaction: when furan react with aryl diazonium chloride in the presence of strong alkali to produce 2 – aryl furan.

(A) Mercuration
(B) Gattermann Koch reaction
(C) Kolbe reaction
(D) Gomberg reaction
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S

Shiva Ram • 21.45K Points
Instructor III

Q 46. 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
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V

Vijay Sangwan • 19.12K Points
Tutor I

Q 47. 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
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A

Admin • 27.81K Points
Instructor II

Q 48. Which would be the product when furan undergoes sulfonation in the presence of SO3 and pyridine?

(A) Furan – 2 – sulfolic acid
(B) Furan – 3 – sulfonic acid
(C) Mixture of (a) & (b)
(D) None of the above
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G

Gopal Sharma • 28.64K Points
Instructor II

Q 49. 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
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A

Admin • 27.81K Points
Instructor II

Q 50. Complete the following reaction.

(A) Pyrrole
(B) Furan
(C) Indole
(D) Oxazole
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