According to VSEPR theory the shapes of [SF2Cl]+ and [S2O4]2- should be
1
Trigonal planar for [SO2] unit and trigonal pyramidal for [SF2Cl]+
2
Both trigonal planar
3
Trigonal pyramidal for [S2O4]2- and trigonal pyramidal for [SF2Cl]+
4
Both Tertrahydal
5
Question Not Attempted