Intro to Chemical Bonding Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Which of the following is NOT TRUE about hypochlorous acid's Lewis structure?

Question 2 2. How many valence electrons does hypochlorous acid (HClO) have in total?

Question 3 3. Which of the following statements about hypochlorous acid is NOT TRUE?

Question 4 4. Which of the following explanations correctly explains why the compound is, or is not, a trigonal planar?

Question 5 5. Which of the following is the correct molecular geometry for a trigonal planar compound?

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Question 6 6. Which of the following compounds is NOT a trigonal planar?

Question 7 7. A bond is formed between a sodium atom and a chlorine atom when the sodium atom gives an electron to the chlorine atom. Identify the type of bond formed between sodium and chlorine.

Question 8 8. What is the definition of a chemical?

Question 9 9. Which of the following type of bond normally forms between two non-metal atoms?

Question 10 10. If you were given two compounds that had the same numbers of valence electrons you would classify these compounds as _____.

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Question 11 11. According to VSEPR theory, molecules will adopt a specific shape in order to best alleviate what type of interaction?

Question 12 12. In the cases of iodine heptafluoride and the tellurium heptafluoride anion, which species should have a pentagonal bipyramidal shape according to VSEPR theory?

Question 13 13. What is the correct molecular formula of acetylene?

Question 14 14. Acetylene was first discovered by the scientist, Edmund Davy, while he was working with which chemical compound?

Question 15 15. Which of the following smells best describes the odor of acetylene?

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Question 16 16.

Which of the following is the best Lewis structure for sulfurous acid?

Hint: Sulfurous acid has 26 valence electrons and the best structure has the least individual formal charges on the atoms.

Question 17 17.

What is the formal charge of the first oxygen (O1)?

Hint: Oxygen has 6 valence electrons. The bonding electrons are the green lines and 1 line = 2 electrons; the nonbonding electrons are the red dots.

Question 18 18. What is the central atom for the Lewis structure of sulfurous acid?

Question 19 19. The atoms of an octahedral molecule are arranged on how many planes?

Question 20 20. Which of the following molecules is an example of an octahedral?

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Question 21 21. How many atoms are bonded to the central atom in an octahedral molecule?

Question 22 22. Hexane is a 6-carbon molecule with 14 hydrogen atoms. What is the correct molecular formula of hexane?

Question 23 23. What does vapor pressure refer to?

Question 24 24. As an alkane, hexane is a saturated compound. Which one of the compounds below is classified as unsaturated?

Question 25 25. Which of the following is the correct Lewis structure of HClO?

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Question 26 26. Which of the following statements is FALSE about a trigonal planar compound?

Question 27 27. Which of the following is NOT a type of chemical bond?

Question 28 28. Although both water and methane have the same number of electron groups around their central atoms, which one has a deviation in bond angle that can't be accounted for by VSEPR theory?

Question 29 29. How many sigma bonds are contained in the triple bond of acetylene?

Question 30 30.

What is the formal charge of sulfur (S) in the Lewis structure shown below?

Hint: Sulfur has 6 valence electrons. The green lines are the bonding electrons; 1 line = 2 electrons; the red dots are nonbonding electrons.

Intro to Chemical Bonding Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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