<prompt> Pain is caused by injection of ?KetamineMethohexitoneDi-isopropyl AlcoholThiopentonc  <response>: Ans. is d i.e., Thiopentone o Inadevent intraerial injection or extravastion of thiopentone produces intense pain - necrosis and gangrene may occur. o Inducing agents producing pain on injection Miller 61e 1. Thiopentone 2. Propofol 3. Etomidate 4. Methohexitone 