C:-2-(2-Chlorophenyl)-2-(trimethylamino) cyclohexanone
D:-2-(2-dichlorophenyl)-2-(methylamino) cyclohexanone
Correct Answer:- Option-A

Question69:-Synthesis of Phenytoin from benzil takes place via
A:-Schmidt rearrangement
B:-Benzilic acid rearrangement
C:-Curtius rearrangement
D:-Claisen rearrangement
Correct Answer:- Option-B

Question70:-Example of an iminostilbene derivative used as anticovulsant
A:-Carbamazepine
B:-Gabapentin
C:-Acetazolamide
D:-Clonazepam
Correct Answer:- Option-A

Question71:-For a new drug substance intended for storage in a refrigerator, the
long term stability studies as per ICH guidelines are to be conducted at a storage
temperature of

4:-5१८+३९८

B:-25°c 42°C

C:--20°c 42°C

0:-87"0+1"०

Correct Answer:- Option-A
Question72:-Pick out the wrong statement.

A:-Process validation establishes scientific evidence that a process is capable
of consistently delivering quality product

B:-Process validation of a pharmaceutical product is required by the CGMP
regulations

C:-Retrospective process validation is validation based upon existing and/or
historical processing data

D:-Different areas within a manufacturing plant requires the same SOP
(Standard Operating Procedure) for cleaning

Correct Answer:- Option-D
Question73:-With an increase in temperature, surface tension of water
A:-Increases
B:-Decreases
C:-Increase first and then decreases
D:-Does not change