Pharmaceutical Organic Chemistry 3 MCQs
A
Q 21. Identify the reaction: When thiophene react with dimethyl formamide in the presence of POCl3, it will produce thiophene – 2 – carboxaldehyde.
R
Q 22. Which condition is appropriate for the nitration of thiophene?
R
Q 23. Thiophene shows electrophilic substitution reactions mainly at position___.
V
Q 24. Which is the true statement from followings?
P
Q 25. What is not true about thiophene from the following sentences?
V
Q 26. What would be the appropriate reaction condition for the following reaction;
V
Q 27. What would be the product of following reaction?
P
Q 28. Complete the reaction:
R
Q 29. Which is the following heterocyclic compound?
V