Fischer Indole Synthesis -Multiple Choice Questions Quiz

Interactive MCQs on “Fischer Indole Synthesis”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: Which reagent is commonly used in the Fischer Indole Synthesis?

(a) Potassium hydroxide (KOH)
(b) Sodium chloride (NaCl)
(c) Zinc carbonate (ZnCO3)
(d) Acetic acid (CH3COOH)

Question 2: What type of reaction is involved in the Fischer Indole Synthesis?

(a) Nucleophilic substitution
(b) Electrophilic substitution
(c) Nucleophilic addition
(d) Electrophilic addition

Question 3: What is the initial step in the Fischer Indole Synthesis?

(a) Formation of an enol or enolate
(b) Nitration of an aromatic compound
(c) Reduction of a nitroso compound
(d) Elimination of a leaving group

Question 4: In the Fischer Indole Synthesis, what role does the aromatic nitroso compound play?

(a) Electrophile
(b) Nucleophile
(c) Catalyst
(d) Solvent

Question 5: Which of the following is not a common reaction solvent in the Fischer Indole Synthesis?

(a) Ethanol (C2H5OH)
(b) Methanol (CH3OH)
(c) Dichloromethane (CH2Cl2)
(d) Water (H2O)

Question 6: The Fischer Indole Synthesis can be used to synthesize:

(a) Alcohols
(b) Aldehydes
(c) Amines
(d) Carboxylic acids

Question 7: What is the role of heat in the Fischer Indole Synthesis?

(a) To accelerate the reaction rate
(b) To quench the reaction
(c) To increase the reaction yield
(d) To stabilize the reagents

Question 8: Which functional group is commonly present in the starting ketone or aldehyde substrate in the Fischer Indole Synthesis?

(a) Carbonyl
(b) Hydroxyl
(c) Ester
(d) Halide

Question 9: Which of the following is a potential side reaction in the Fischer Indole Synthesis?

(a) Aldol condensation
(b) Hydrolysis of nitriles
(c) Grignard reaction
(d) Diels-Alder reaction

Question 10: In the Fischer Indole Synthesis, what is the product obtained when the starting material is an aldehyde?

(a) Imine
(b) Enamine
(c) Oxime
(d) Enol