Nucleophile Study guides, Class notes & Summaries
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Chem 210 Exam 3 Questions & Answers(Rated A+)
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Chem 210 Exam 3 Questions & Answers(Rated A+) 
 
 
what factors explain the outcomes of reactions? - ANSWERhybridization, delocalization, eN, atom density 
 
what is a leaving group? - ANSWER- group of atom(s) that can be stable on its own 
- eN atoms that are good LG also make strong acids 
 
what is the α carbon? - ANSWERC directly attached to leaving group 
 
what are β Cs? β Hs? - ANSWERβC: C(s) attached to α carbon 
βH: H(s) attached to βC 
 
what is a LB? is it a nucleophile or elec...
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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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BCH210 MIDTERM| 213 QUESTIONS| WITH COMPLETE SOLUTIONS
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van der Waals correct answer: -weakest (short lives) but lots could strengthen the bond 
-furthest distance 
-form as a result of hydrophobic interactions 
-strength depends on the size of the atoms and the distance between them 
-cannot be closer than the Van der Waals contact distance or else positively charged nuclei will repel each other (energy= 0) 
 
Proteins correct answer: main action molecule of the cell (Most chemical processes of the body are carried out by proteins) 
-classified in...
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Chem 210 Exam 3 Questions & Answers(Rated A)
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what factors explain the outcomes of reactions? - ANSWERhybridization, delocalization, eN, atom density 
 
what is a leaving group? - ANSWER- group of atom(s) that can be stable on its own 
- eN atoms that are good LG also make strong acids 
 
what is the α carbon? - ANSWERC directly attached to leaving group 
 
what are β Cs? β Hs? - ANSWERβC: C(s) attached to α carbon 
βH: H(s) attached to βC 
 
what is a LB? is it a nucleophile or electrophile? - ANSWERlewis base, nucleophile 
 
what i...
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NUCLEOPHILE/BASE Study Set with complete solutions
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NaH 
SB/WN 
 
 
t-BuOK 
SB/WN 
 
 
 
 
 
 
00:04 
00:53 
LDA 
SB/WN 
 
 
DBN 
SB/WN 
 
 
DBU 
SB/WN 
 
 
t-BuLi 
SB/WN 
 
 
OH- 
SB/SN 
 
 
OCH3 
SB/SN 
 
 
NaCCR 
SB/SN 
 
 
NaNH2 
SB/SN 
 
 
BuLi 
SB/SN 
 
 
Br- 
WB/SN
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Chem 210 – Reactions Questions 100% Answered!
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Reagent = Nucleophile Only - ANSWER1° = Sn2 
2° = Sn2 
3° = Sn1 + E1 (polar medium necessary) 
 
Reagent = Strong Nucleophile & Strong Base - ANSWER1° = Sn2 
2° = E2 
3° = E2 
 
Reagent = Weak Nucleophile and Weak Base - ANSWER1°/2° = No Reaction 
3°/resonance stabilized carbocation = Sn1 + E1 (polar medium necessry 
 
Reagent = Base Only - ANSWER1° = E2 or Sn2 (if unhindered and no beta-hydrogen with unhindered base) 
2° = E2 
3° = E2 
 
Examples of Only Nucleophiles - ANSWERCl⁻, ...
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IB Organic Chemistry (HL) Latest Update 100% Solved
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IB Organic Chemistry (HL) Latest Update 
 
100% Solved 
 
chiral carbon A carbon that is singly bonded to 4 different atoms forming a tetrahedron that 
forms non-superimposable mirror images 
 
homolytic fission breaking a bond where each electron in a bond goes to one atom 
 
heterolytic fission breaking a bond where both electrons in a bond goes to one atom 
 
homologous series A series of molecules that have the same general formula but differ by the 
number of CH2's, has similar chemical ...
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UMICH CHEM 210 - Exam #3 - Reaction Mechanisms Accurate 100%
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SN1 Reaction - ANSWER- Unimolecular nucleophilic substitution 
- 2 steps 
- Starting with enantiomerically pure product tends to result in some degree of racemization 
- Retention AND inversion at stereocenter (R and S) 
- 1 nucleophile is replaced by another nucleophile 
- Carbocation INTERMEDIATE forms 
- Rate is dependent only on substrate concentration 
 
1. LG leaves, forming a carbocation 
2. Nucleophile attacks the carbocation, forming the product 
 
SN2 Reaction - ANSWER- Bimolecular nuc...
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CHE 230 Final Questions With Complete Solutions.
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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...
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Chem 210 Exam 3 questions and answers
- Exam (elaborations) • 11 pages • 2023
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what factors explain the outcomes of reactions? 
hybridization, delocalization, eN, atom density 
 
 
 
what is a leaving group? 
- group of atom(s) that can be stable on its own 
- eN atoms that are good LG also make strong acids 
 
 
 
what is the α carbon? 
C directly attached to leaving group 
 
 
 
what are β Cs? β Hs? 
βC: C(s) attached to α carbon 
βH: H(s) attached to βC 
 
 
 
what is a LB? is it a nucleophile or electrophile? 
lewis base, nucleophile 
 
 
 
what is nucleophilic ...
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