Long acting barbiturate is ?
High-Yield Explanation
Ans. is 'c' i.e., Phenobarbitone Long acting barbiturates -4 Phenobarbitone, Mephobarbitone. Sho acting barbiturates-4 Butobarbitone, secobarbitone, Pentobarbitone. Ultrasho acting -4 Thiopentone, Methohexitone, Hexobarbitone.