See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

x = 7           2 2 3 4 6 4 4 3 4 4 Si CH ; XeF ; B OH ; Ni CN ;SF ; Zn CN ; IC                   y = 15 (SiCH3)4 has 6 plane of symmetry while SF6 has 9). SECTION – C