Q. Benzyl alcohol and sodium benzoate is obtained by the action of sodium hydroxide on benzaldehyde. This reaction is known as ……………
✅ Correct Answer: (B)
Cannizzaro’s reaction
Pharmaceutical Organic Chemistry 1 MCQs and Notes
Q. Benzaldehyde + Sodium hydroxide
✅ Correct Answer: (A)
Benzyl alcohol
Q. Acetaldehyde cannot show …………….
✅ Correct Answer: (B)
Lucas test
Q. Which of the following will undergo aldol condensation………
✅ Correct Answer: (A)
Acetaldehyde
Q. Which of the following organic compounds exhibits positive Fehling test as well as iodoform test………….
✅ Correct Answer: (D)
Ethanal
Q. Aldol condensation will not be observed in……….
✅ Correct Answer: (A)
Chloral
Q. Which of the following products is formed when benzaldehyde is treated with CH3 MgBr and the addition product so obtained is subjected to acid hydrolysis.
✅ Correct Answer: (A)
Secondary alcohol
Q. Consider the following statement Acetophenone can be prepared by…………
i. Oxidation of 1-phenylethanol
ii. Reaction of benzalthanol with methyl magnesium bromide
iii. Friedel craft’s reaction of benzene with acetyl chloride
iv. Distillation of calcium benzoate
i. Oxidation of 1-phenylethanol
ii. Reaction of benzalthanol with methyl magnesium bromide
iii. Friedel craft’s reaction of benzene with acetyl chloride
iv. Distillation of calcium benzoate
✅ Correct Answer: (C)
1 and 3
Q. Which of the following is incorrect………….
✅ Correct Answer: (C)
Tollen’s reagent is used in detection of unsaturation
Q. Grignard reagent on reaction with acetone forms………
✅ Correct Answer: (A)
Tertiary alcohol