CHEM 230
Grand Valley State University
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CHEM 230 Final Exam Questions With Complete Solution
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IR Spectra correct answer: -Absorption of radiation causes vibrational excitation of functional groups *making it easy to ID functional groups* 
 
*0-5000cm-1* 
 
H NMR Spectra correct answer: *0-12ppm* 
 
C NMR Spectra correct answer: *0-200ppm* 
 
Mass Spec correct answer: -Used to measure the molecular weight (mass) of the compound. 
 
Alkyne Reactions correct answer: *1* Alkyne + H2/Pd &C = Alkene 
*2* Alkyne + H2/Lindlav Cat.= Cis Alkene 
*3* Alkyne + Li or Na/Liquid NH3= Trans Alkene ...
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CHEM 230 LAB EXAM 2 QUESTIONS WITH COMPLETE SOLUTIONS
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A) Initial starting solution with brownish yellow correct answer: Fe^3+ 
 
A) Initial starting solution with greyish blue correct answer: Cr^3+ 
 
A) Initial starting solution with pale green correct answer: Ni^2+ 
 
B) So4^2- correct answer: confirmed when precipitate is formed and doesn't dissolve in Nitric acid 
 
C) Cl^- correct answer: confirmed when precipitate is dissolved by NH3 
 
D) NO3^- correct answer: confirmed by the brown ring test 
 
E) NH4^+ correct answer: confirmed by ...
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Chem 230 Smith Final Exam KSU Questions With Complete Solutions
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hydrocarbon correct answer: compound containing only hydrogen and carbon 
 
saturated hydrocarbons correct answer: contain only single bonds between the carbons 
 
unsaturated hydrobarbons correct answer: contain double or triple bonds between the carbons 
 
aromatic hydrocarbons correct answer: contain benzene rings 
 
saturated and unsaturated hydrocarbons are correct answer: aliphatic hydrocarbons 
 
alkanes have only correct answer: single covalent bonds 
 
alkanes have the formula cor...
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Chem 230 Final Review | 88 Questions | With Complete Solutions
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True or False: The addition of water to an alkene is called a hydration reaction. correct answer: True 
 
True or False: The double bonds in naturally occurring fatty acids are typically cis correct answer: True 
 
What is the IUPAC name for the following compound? correct answer: 4,4-dimethyl-1-pentene 
 
What is the structure of 2-methlyhexane correct answer: (CH3)2CHCH2CH2CH2CH3 
 
What is the correct molecular formula for the following structure? correct answer: C6H12 
 
A compound that...
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GVSU CHEM 230 (Organic and Biochemistry) Questions With Complete Solutions
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NH2 functional group correct answer: amino 
 
RNH2 correct answer: primary amine 
 
R2NH correct answer: secondary amine 
 
R3N correct answer: tertiary amine 
 
bronsted-lowry acid correct answer: proton donor 
 
bronsted-lowry base correct answer: proton accepter 
 
lewis base correct answer: electron donor 
 
lewis acid correct answer: electron accepter 
 
alkyl halide correct answer: a compound that has an alkyl group bonded to a halogen atom, R-X 
 
thiol correct answer: has -SH g...
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Chem 230 Exam 4 GVSU| 220 Questions | With Complete Solutions
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Metabolism correct answer: Sum total of all chemical reactions in a living organism 
 
Metabolism is a source of ________ for the functioning of the human body correct answer: energy 
 
Metabolism needed for many of the cellular processes such as correct answer: protein synthesis, DNA replication, RNA transcription, and membrane transport 
 
Plasma Membrane correct answer: Cellular boundary 
 
Cytoplasm correct answer: Water-based material of a eukaryotic cell 
 
Mitochondrion correct answe...
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KSU CHEM 230 Lab Exam 1 Questions With Complete Solutions
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What four factors affect reaction rates? correct answer: -concentration of reactants 
-Temperature 
-Catalysts 
- Physical state of reactants 
 
relationship between reaction rate and activation energy correct answer: The higher the activation energy, the slower the reaction rate 
 
Effect of catalysts on reaction rates, why does this happen? correct answer: Catalysts speed up reaction rates because it lowers the activation energy 
 
What is an autocatalysis? correct answer: The reaction ...
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Chem 230 Lab Exam 1| 72 Questions| With Complete Solutions
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What is the purpose of Lab 1: Kinetics correct answer: To examine the four factors that influence the reaction rate of a chemical reaction 
 
What conditions influence the rate of reaction of a chemical process? correct answer: 1. Concentration of reactants 
2. Temperature 
3. Presence of a catalyst 
4. Physical state of the reactants (including surface area) 
 
What effect did the concentration of reactants have on the reaction rate? 
 
What is the reason for the effect? correct answer: - A...
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Chemistry 230 lab exam 2 questions with complete solutions.
- Exam (elaborations) • 4 pages • 2023
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Anion 1st step 
separating SO4(^2-) from Cl- and NO3- correct answer: *add ammonia and Ba(OH)2 
*foms a white precipitate 
Ba(^2+) + SO4(^2-)-->BaSO4 (s) 
 
Anion 2nd step 
confirming SO4(^2-) correct answer: *make solution acidic with HNO3 
*precipitate stays to confirm SO4(^2-) 
BaSO4 (s) + H(^+) --> no reaction 
 
anion 3rd step 
confirming Cl- correct answer: *acidify with HNO3 
*add AgNO3 to make precipitate 
*dissolve with ammonia 
AgNO3 + Cl- --> AgCl(s) + NO3(^-) (aq) 
 (for...
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Qualitative Analysis Chem 230 Exam 2 KSU Questions With Complete Solutions
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The solution is clear and colorless correct answer: Fe 3+, Cr 3+, and Ni 2+ is absent 
 
Step B. The solution was made basic and barium hydroxide was added. A white precipitate formed. correct answer: SO4 2- is present 
 
Step C. Silver nitrate was added the precipitate dissolves. correct answer: Cl- is present 
 
Step C. A brown ring test was performed and the brown ring formed. correct answer: NO3- is present 
 
A flame test on the unknown showed a reddish color. correct answer: Ca 2+ is ...
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