Chem 219 exam 1 - Study guides, Class notes & Summaries

Chem 219 Unit 5 Exam with Correct Solutions Generic formula for alcohols - Answer -R-OH phenol - Answer -hydroxy-substituted aromatic molecules (any compound with an -OH attached to a benzene ring) IUPAC system rules for naming organic alcohols - Answer -- organic alcohols are named by replacing the suffix of the parent chain of the molecule with the suffix -ol - The parent chain is numbered so as to give the hydroxyl group the lowest possible number. (examples: 1-propanol, and cyclohexan...

Chem 219 unit 1 exam questions and answers with complete solution

CHEM 219 EXAM 1 -with 100% verified solutions -tutor verified

On a piece of scratch paper, write out the Lewis Dot Diagram for each of the indicated elements and determine the following for each: a) The number of Lone Pairs the atom possesses in its valence shell. b) The number of Unpaired Electrons the atom possesses in its valence shell. c) The number of bonds the atom will form. Oxygen Carbon Hydrogen Nitrogen - Answer-Oxygen - a) 2 b) 2 c) 2 Carbon - a) 0 b) 4 c) 4 Hydrogen- a) 0 b) 1 c) 1 Nitrogen - a) 1 b) 3 c) 3 Classify the bonding b...

Chem 219 Exam 1 with Complete Solutions On a piece of scratch paper, write out the Lewis Dot Diagram for each of the indicated elements and determine the following for each: a) The number of Lone Pairs the atom possesses in its valence shell. b) The number of Unpaired Electrons the atom possesses in its valence shell. c) The number of bonds the atom will form. Oxygen Carbon Hydrogen Nitrogen Oxygen - a) 2 b) 2 c) 2 Carbon - a) 0 b) 4 c) 4 Hydrogen- a) 0 b) 1 c) 1 Nitrogen - a) 1 b) ...

CHEM 219 EXAM 1 QUESTIONS AND ANSWERS

CHEM 219 EXAM 1 QUESTIONS WITH ALL CORRECT ANSWERS Describe how individual resonance structures impact the true structure of a molecule or polyatomic ion. - Answer Each contributing individual resonance structure contributes characteristics to the overall hybrid structure of the compound. The hybrid "averages" bond lengths and formal charges by delocalizing them among atoms that share them in each contributing individual resonance structure. On a piece of scrap paper, draw the resonance s...

CHEM 219 EXAM 1 -with 100% verified solutions -tutor verified

CHEM 219 EXAM 1 -with 100% verified solutions -tutor verified

Chem 219: Module 2 Exam Questions With 100% Correct Answers What are hydrocarbons? - answerMolecules composed of only the elements carbon and hydrogen What are the two major classes of hydrocarbons? - answerAromatic (benzene) and aliphatic (alkanes, alkenes, alkynes) What is the main source of hydrocarbons? - answerFossil fuels like coal, petroleum, and natural gas obtained by mining and drilling. What are Alkanes? - answerThey are saturated hydrocarbons because their skeleton is only c...