2- Identify the nuclephile and electrophile in each reaction below and label them. a. b. :0: :0: + H-Cl = + :C=N: C. H-Ö-H + H3C-MgBr H + cr :0: CN + CH4 + HÖ: MgBr 3- MATCH each definition to one of the terms below. Place the letter of the term in the blank to the left of the definition. a. polarization b. addition reaction C. homolytic bond breakage d. electrophile e. polar reaction f. substitution g. nucleophile h. radical reaction i. elimination reaction heterolytic bond breakage a. A process involving symmetrical bond breaking and bond making. b. This occurs when both bonding electrons remain with one product fragment. C. A reaction where two reactants exchange parts to give two new products. d. A general term for species which have electron rich sites that can form a bond by donating a pair of electrons to an electron poor site. d. blank to the left of the definition. 4- MATCH each definition to one of the terms below. Place the letter corresponding to the term in the a. transition state b. endergonic reaction standard Gibbs free energy change exergonic reaction c. activation energy f. reaction intermediate a. A species that lies at an energy minimum between steps on a reaction. b. The energy needed by reactants to reach the transition state. C. A reaction where AG° is negative. d. AG°=-RT In Keq 4

2- Identify the nuclephile and electrophile in each reaction below and label them. a. b. :0: :0: + H-Cl = + :C=N: C. H-Ö-H + H3C-MgBr H + cr :0: CN + CH4 + HÖ: MgBr 3- MATCH each definition to one of the terms below. Place the letter of the term in the blank to the left of the definition. a. polarization b. addition reaction C. homolytic bond breakage d. electrophile e. polar reaction f. substitution g. nucleophile h. radical reaction i. elimination reaction heterolytic bond breakage a. A process involving symmetrical bond breaking and bond making. b. This occurs when both bonding electrons remain with one product fragment. C. A reaction where two reactants exchange parts to give two new products. d. A general term for species which have electron rich sites that can form a bond by donating a pair of electrons to an electron poor site. d. blank to the left of the definition. 4- MATCH each definition to one of the terms below. Place the letter corresponding to the term in the a. transition state b. endergonic reaction standard Gibbs free energy change exergonic reaction c. activation energy f. reaction intermediate a. A species that lies at an energy minimum between steps on a reaction. b. The energy needed by reactants to reach the transition state. C. A reaction where AG° is negative. d. AG°=-RT In Keq 4

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter25: Enolate & Enol Nucleophiles

Section: Chapter Questions

Problem 11CTQ

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