state gov BSSC Laboratory Assistant Mock Test Series 2025 Chemistry Chemical Bonding and Molecular Structure Chemical Bonding
The number of species from the following that have pyramidal geometry around the central atom is ________
\(\mathrm{S}_2 \mathrm{O}_3^{2-}, \mathrm{SO}_4^{2-}, \mathrm{SO}_3^{2-}, \mathrm{S}_2 \mathrm{O}_7^{2-}\)
1
4
2
3
3
1
4
2