See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Species Geometry Hybridization d-orbitals involved I.  2 VO acac     Square pyramidal 3 dsp 2 2 x y d  II.  5 Fe CO     Trigonal bi-pyramidal 3 dsp 2 z d III.   2 4 PtCl  Square planar 2 dsp 2 2 x y d  IV.   4 6 K Fe CN     Octahedral 2 3 d sp 2 2 2 x y z d , d  V.   7 IF Pentagonal bi- pyramidal 3 3 sp d 2 2 2 xy x y z d , d and d  So, x = 3, y = 4 and z = 1