AP EAMCET Medical 23 Apr 2019 Shift 2 Paper

Atom X (in molecule 1) has electrons in Is. 2s and 2p orbitals. Atom Y (in molecule 2) has electrons in 1s, 2s, 2p, 3s and 3p orbitals. Atom Z (in molecule 3) has elections in Is. 2s. 2p. 3s. 3p. 3d and 4s orbitals. Observe the following statements
i. Atom X can undergo sp, sp2 and sp3 type of hybridisation
ii. Atom Y can undergo sp3, sp3d type of hybridisation
iii. Atom Z can undergo sp3d2,d2sp3,dsp2,sp3 type of hybridisation
The correct statements are