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CHEM 230 FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS
Which family of organic molecules is a hydro carbon correct answer: aromatic 
 
Which two functional groups does NOT contain oxygen? correct answer: amine 
 
Which factor is most important in determining the chemistry of an organic molecule? correct answer: the functional groups 
 
Two or more compounds with the same molecular formula but with the atoms connected differently are reffed to as correct answer: constitutional groups 
 
When hydrocarbons undergo complete combustion, the product(s...
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Which family of organic molecules is a hydro carbon correct answer: aromatic 
 
Which two functional groups does NOT contain oxygen? correct answer: amine 
 
Which factor is most important in determining the chemistry of an organic molecule? correct answer: the functional groups 
 
Two or more compounds with the same molecular formula but with the atoms connected differently are reffed to as correct answer: constitutional groups 
 
When hydrocarbons undergo complete combustion, the product(s...
CHEM 230 EXAM 1| 72 QUESTIONS | WITH COMPLETE SOLUTIONS
Organic Chemistry correct answer: the study of the compounds of carbon 
 
Electronegativity correct answer: A measure of the force of an atom's attraction for the electrons it shares in a chemical bond with another atom 
-increases from left to right 
-increases from bottom to top 
 
Difference between EN < 0.5 correct answer: Nonpolar covalent; two nonmetals or a nonmetal and a metalloid 
 
0.5<Difference between EN>1.9 correct answer: Polar covalent; two nonmetals or a nonmetal a...
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Organic Chemistry correct answer: the study of the compounds of carbon 
 
Electronegativity correct answer: A measure of the force of an atom's attraction for the electrons it shares in a chemical bond with another atom 
-increases from left to right 
-increases from bottom to top 
 
Difference between EN < 0.5 correct answer: Nonpolar covalent; two nonmetals or a nonmetal and a metalloid 
 
0.5<Difference between EN>1.9 correct answer: Polar covalent; two nonmetals or a nonmetal a...
CHE 230 Final Questions With Complete Solutions.
strong base, weak nucleophile correct answer: NaH 
 
strong base, weak nucleophile correct answer: DBN 
 
strong base, weak nucleophile correct answer: DBU 
 
strong base, strong nucleophile correct answer: HO- 
 
strong base, strong nucleophile correct answer: MeO- 
 
strong base, strong nucleophile correct answer: EtO- 
 
weak base, strong nucleophile correct answer: I- 
 
weak base, strong nucleophile correct answer: Br- 
 
weak base, strong nucleophile correct answer: Cl- 
 
weak ba...
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strong base, weak nucleophile correct answer: NaH 
 
strong base, weak nucleophile correct answer: DBN 
 
strong base, weak nucleophile correct answer: DBU 
 
strong base, strong nucleophile correct answer: HO- 
 
strong base, strong nucleophile correct answer: MeO- 
 
strong base, strong nucleophile correct answer: EtO- 
 
weak base, strong nucleophile correct answer: I- 
 
weak base, strong nucleophile correct answer: Br- 
 
weak base, strong nucleophile correct answer: Cl- 
 
weak ba...
CHE 230 Exam 3 Dr. Owen UKY Questions With Complete Solutions
What is an electrophile? correct answer: compound or ion that are poor in electron density- LOVES AVAILABLE ELECTRONS 
 
Same as Lewis Acid 
 
What is a nucleophile? correct answer: is an ion or a compound that is capable of donating a pair of electrons-- THEY WOULD LOVE TO ATTACK A NUCLEUS 
 
 
These are the exact same a Lewis Base 
 
THESE SHARE ELECTRON DENSITY 
 
Examples of Nucleophiles correct answer: I-, Cl-, Br-, HS-, RO-, HO-,NH2- 
 
Nucleophilic Attack correct answer: shows the nuc...
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What is an electrophile? correct answer: compound or ion that are poor in electron density- LOVES AVAILABLE ELECTRONS 
 
Same as Lewis Acid 
 
What is a nucleophile? correct answer: is an ion or a compound that is capable of donating a pair of electrons-- THEY WOULD LOVE TO ATTACK A NUCLEUS 
 
 
These are the exact same a Lewis Base 
 
THESE SHARE ELECTRON DENSITY 
 
Examples of Nucleophiles correct answer: I-, Cl-, Br-, HS-, RO-, HO-,NH2- 
 
Nucleophilic Attack correct answer: shows the nuc...
CHE 230 Exam 1| 110 Questions | With Complete Solutions
Friederich Wohler correct answer: Father of organic chemistry 
Determined that biological molecules can be synthesized in lab 
 
Carbon correct answer: Very stable 
Wants 4 bonds 
Can bond with many things 
 
Organic Compounds correct answer: Contain carbon 
Atoms bound by covalent bonds 
Essential to life! 
ex. amino acids; DNA 
 
Element Bond Preferences correct answer: Carbon: 4 bonds 
-Can be single, double, or triple 
Nitrogen: 3 bonds, 1 lone pair 
-Single, double, or triple 
Oxygen: 2...
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Friederich Wohler correct answer: Father of organic chemistry 
Determined that biological molecules can be synthesized in lab 
 
Carbon correct answer: Very stable 
Wants 4 bonds 
Can bond with many things 
 
Organic Compounds correct answer: Contain carbon 
Atoms bound by covalent bonds 
Essential to life! 
ex. amino acids; DNA 
 
Element Bond Preferences correct answer: Carbon: 4 bonds 
-Can be single, double, or triple 
Nitrogen: 3 bonds, 1 lone pair 
-Single, double, or triple 
Oxygen: 2...
CHE 230 EXAM 3 Questions With Complete Solutions
Is SN2 concerted or stepwise correct answer: Concerted 
 
Is SN1 concerted or stepwise correct answer: Stepwise 
 
When is there a change in configuration in an SN2 correct answer: When alpha position is a chiral center 
 
What type of substrate reacts most quickly for SN2 correct answer: Primary 
 
What type of substrate reacts most quickly for SN1 correct answer: Tertiary (bc more stable carbocation) 
 
What type of nucleophiles favor SN2 correct answer: Strong 
 
List 9 strong nucleophi...
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Is SN2 concerted or stepwise correct answer: Concerted 
 
Is SN1 concerted or stepwise correct answer: Stepwise 
 
When is there a change in configuration in an SN2 correct answer: When alpha position is a chiral center 
 
What type of substrate reacts most quickly for SN2 correct answer: Primary 
 
What type of substrate reacts most quickly for SN1 correct answer: Tertiary (bc more stable carbocation) 
 
What type of nucleophiles favor SN2 correct answer: Strong 
 
List 9 strong nucleophi...
CHEM 230 Final| 339 Questions| With Complete Solutions
Enzymes correct answer: Proteins that act as catalyst for biochemical reactions 
 
Are enzymes consumed in a reaction? correct answer: Not consumed during the reaction 
 
Majority of enzymes are correct answer: Globular proteins 
 
Enzyme activity is affected by correct answer: pH, Temperature, or concentration 
 
What do enzyme co factors do? correct answer: Provide additional chemically reactive functional groups 
 
What are the categories of co factor enzymes correct answer: Simple meta...
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Enzymes correct answer: Proteins that act as catalyst for biochemical reactions 
 
Are enzymes consumed in a reaction? correct answer: Not consumed during the reaction 
 
Majority of enzymes are correct answer: Globular proteins 
 
Enzyme activity is affected by correct answer: pH, Temperature, or concentration 
 
What do enzyme co factors do? correct answer: Provide additional chemically reactive functional groups 
 
What are the categories of co factor enzymes correct answer: Simple meta...
Chem 230 final (past questions) with complete solutions
ionic, dipole-dipole,london correct answer: the order of bonds strongest to weakest 
 
two substituents are on the same side of the double bond correct answer: which statement best describes cis stereochemistry in an alkene? 
 
on opposite sides of the double bond correct answer: substituents on a carbon-carbon double bond that are trans are 
 
oxygen,carbons correct answer: an ether contains an____________bound by single bonds to two ____________ 
 
alcohols correct answer: when aldehydes ...
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ionic, dipole-dipole,london correct answer: the order of bonds strongest to weakest 
 
two substituents are on the same side of the double bond correct answer: which statement best describes cis stereochemistry in an alkene? 
 
on opposite sides of the double bond correct answer: substituents on a carbon-carbon double bond that are trans are 
 
oxygen,carbons correct answer: an ether contains an____________bound by single bonds to two ____________ 
 
alcohols correct answer: when aldehydes ...
CHEM 230 Final Exam Questions With Complete Solution
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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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 ...
CHEM 230 LAB EXAM 2 QUESTIONS WITH COMPLETE SOLUTIONS
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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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 ...
Chem 1020 Lab Final Questions With Complete Solutions.
ICC Vapor Recovery 1| 60 Questions| With Complete Solutions
CHEM 120 Chamberlain EXAM 1 Questions With Complete Solutions
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ACAS Best Practice Knowledge Exam 1,2,3,4,5 and 6 Questions And Answers With Complete Solutions