Microsoft Word – SCH4U – Unit 1 – Version C.doc1. Recreate and complete the following table; (24marks)(Molecule or compound ion) (Lewis structure) (Name of Shape) (Bond Polarity) (Molecular Polarity)HClCH4CH3ClCO2H2ONH3Identify the types of hybrid orbitals found in molecules of the following substances; (8 marks – 2 marks each) a) CCl4(l) b) BH3(g) c) BeI2(s) d) SiH4(g)The polarity of a molecule is determined by bond polarity and molecular shape.a) Compare the polarity of the bonds N-Cl and C-Cl. (2 marks)b) Predict whether the molecules NH3(l) and CCl4(l) are polar or non-polar. Explain your predictions. (4 marks)Indicate the number of sigma and pi bonds in each of the following molecules: (8 marks – 2 marks each) a) H2O b) C2H2 c) C2H4 d) C2H6
