117. Correct sequence for True/false for the classification of the drug can be?
· Pentobarbital: benzodiazepine sedative-hypnotic
· Quetipine : benzodiazepine sedative-hypnotic
· Flurazepam: benzodiazepine
· Eszopiclone: butyrophenone
a) TFTF
b) FFTF
c) TFFF
d) FTFT

118. Triketo form of pentobarbital is?
a) Most stable in aqueous solution
b) Least stable in aqueous solution
c) Most soluble in organic solvent
d) Least soluble in organic solvent

119. The correct sequence for the steps for synthesis of drug pentobarbital from diethylmalanoate is?
I. Reaction with 2-bromopentane

II. Reaction with sodium ethoxide
III. Condensation with urea.
a) III – I – II
b) I – II – III
c) I – III – II
d) II – I – III

120. Side effect of drug Pentbarbital?
a) Insomnia
b) Loss of coordination
c) Nightmares
d) All of the above