2021-2022 Honors Chem328 Polarity, IMF And Physical Properties Review HW

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2. Print out a copy of [Worksheet for Molecular Geometry] and complete the table for the following: N₁H₃, P₁Cl</sub>Cl</sub>, F₂, S₁O₂.

2. Print out a copy of [Worksheet for Molecular Geometry] and complete the table for the following: N₁H₃, P₁Cl₅, F₂, S₁O₂.

Name: ________________________________ Period: _________________

1. Print out a copy (or get in class) of [Bond Polarity Worksheet] and fill in the appropriate information in each box for a) Ca-Cl, b) C-O, c) S-C, d) H-Cl, e) K-O, f) O-H

2. Print out a copy of [Worksheet for Molecular Geometry] and complete the table for the following: N₁H₃, P₁Cl₅, F₂, S₁O₂.

3. Print out a copy of [Worksheet for Molecular Polarity] and complete the table for the following: a) CCl₄ b) BeCl₂ c)CS₂ d) NF₃

4. What is the hybridization of PCl₅, ____________________

5. If you replaced P (phosphorus) with N (nitrogen) in the above compound, can the compound exist and why? (Hint: subenergy levels)?

6. Write the symbol for a polar bond, _____________ and write down how you have memorized the direction of the symbol

______________________________________________________________________________

7. What are the cut-offs of deltaEN for ionic bonds ______________,

polar bond ______________, non-polar bond _____________

8. What is the phrase Mr. McLeod makes you memorize to help remember the type of molecular polarity of a compound/polyatomic ion?

9. List the species (e.g. ionic, metallic, polar, etc) from highest IMF to lowest IMF

____________________________________________

10. What are the two IMF names for polar molecules interacting with each other? _____________ and ________________

11) London Dispersions force (caused by uneven distribution of electrons for very short period of time, called Instantaneous dipole) exist for all species? Yes or No?

12) Can an ionic compound (i.e. a set of ions) be polar or non-polar? Explain why or why not.

13) Pyramidal geometry is symmetrical, True or False (Circle one).

14) Which one of the following has the highest IMF and why (explain in space below), H₂O , CH₃CH₂OH, or NH₃.

15) Crude oil is a mixtures of compounds. Two of these compounds are hexane (C₆H₁₄) and octane (C₈H₁₈). What is the physical process called that separates these two liquid (look up in Internet)? What property is this physical process based on? Both of these substance have _________________ IMF. Which one has the higher IMF and why? Which one boils first?

16) Using your knowledge of IMF, explain why vegetable oil and water do not mix or do not dissolve in each other.