Q. Sulphur in + 3 oxidation state is present in

A) Dithionous acid
B) Sulphurous acid
C) Thiosulphuric acid
D) Pyrosulphuric acid
Explanation

(a)
Dithionous acid $(H_{2}S_{2}O_{4})$ has sulphur in + 3 oxidation state

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.