The inhibitor of complex IV of electron transpo chain is
Complex IV inhibitors i. Carbon monoxide inhibits cellular respiration ii. Cyanide (CN-) iii. Azide (N3-) iv. Hydrogen sulphide (H2S)Ref: MN Chatterjea Textbook of Medical Biochemistry, 6th edition, page no: 234
Barbiturates
Animycin A
Hydrogen sulfide
Dimecaprol
Respiratory chain