Teaching MPPSC Assistant Professor Mock Test Series 2025 Chemical Sciences Main Group Elements and Their Compounds
The number of S=O bonds present in sulphurous acid peroxodisulphuric acid and pyrosulphuric acid respectively are :
1
2, 3 and 4
2
2, 4 and 3
3
1, 4 and 4
4
1, 4 and 3