QUESTION 1a)Sketch the sigma and pi bond from p orbital.(3marks)b)Determine the type of hybridization and molecular geometry for central atom in ICl2.(2marks)c)State the number of shared electron in SF4.(1 marks)d)Produce the geometry for each central atom in CH3COCH3.(3marks)JUNE 2018QUESTION 2a)In the context of Valance Bond Theory, differentiate the overlapping of orbitals for theformation of sigma (σ) and pi (ᴫ) bonds.(3 marks)b)3 penten-2-one (CH3COCHCHCH3) is often used as a flavoring agent.i)Sketch the suitable Lewis structure for 3 Penten-2-one.(2 marks)ii)State the number of sigma (σ) and pi (ᴫ) bonds in 3-penten-2-one.(2 marks)iii)Identify the orbital hybridization at each carbon (C) atom.(2 marks)JAN 2018QUESTION 3a)Distinguish between shared and unshared pairs of electrons.(3 marks)b)Predict the shapes of PCl6-, ClF3and CH4 by using VSEPR theory.(3 marks)c)Construct the orbitals overlap in NH3molecule.