The reason as to why ( CH 3 ) 2 C = CH 2 reacts faster than CH 3 CH = CH 2 in the electrophilic addition of HX is to be stated. Concept introduction: According to Hammond’s postulate, the structure of transition state resembles with the structure of compound that has energy near to it. Electrophilic addition reactions are those in which breaking of pi bond take place to form new sigma bond. In this type of reaction, carbocation is formed during the formation of new bond.

Question

7. The standard reduction potentials for two half-reactions are shown above. Which of the statements listed below will be true for the following reaction taking place under standard conditions? a. E° b. E° c. E° = d. E° e. E° = Al (s) + Cr³+ → Al³+ + Cr (s) 0.93 V, and the reaction is not spontaneous 0.93 V, and the reaction is spontaneous 2.39 V, and the reaction is not spontaneous 2.39 V, and the reaction is not spontaneous 0.93 V, and the reaction is spontaneous Cu2+ + 2e → Cu E° = +0.34 V Zn2+ + 2e → Zn E° = -0.76 V E° = -1.18 V Mn2+ + 2e → Mn 8. Based on the above reduction potential, which of the following reactions will occur spontaneously? a. Mn²+ + Cu → Mn + Cu2+ b. Mn²+ + Zn → Mn + Zn²+ c. Zn2+ + Cu → Zn + Cu²+ d. Zn²+ + Mn → Zn + Mn2+ e. Cu²+ + Zn²+ → Cu + Zn

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Chapter 10, Problem 10.16P

Interpretation Introduction

Interpretation: The reason as to why (CH3)2C=CH2 reacts faster than CH3CH=CH2 in the electrophilic addition of HX is to be stated.

Concept introduction: According to Hammond’s postulate, the structure of transition state resembles with the structure of compound that has energy near to it.

Electrophilic addition reactions are those in which breaking of pi bond take place to form new sigma bond. In this type of reaction, carbocation is formed during the formation of new bond.

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7. The standard reduction potentials for two half-reactions are shown above. Which of the statements listed below will be true for the following reaction taking place under standard conditions? a. E° b. E° c. E° = d. E° e. E° = Al (s) + Cr³+ → Al³+ + Cr (s) 0.93 V, and the reaction is not spontaneous 0.93 V, and the reaction is spontaneous 2.39 V, and the reaction is not spontaneous 2.39 V, and the reaction is not spontaneous 0.93 V, and the reaction is spontaneous Cu2+ + 2e → Cu E° = +0.34 V Zn2+ + 2e → Zn E° = -0.76 V E° = -1.18 V Mn2+ + 2e → Mn 8. Based on the above reduction potential, which of the following reactions will occur spontaneously? a. Mn²+ + Cu → Mn + Cu2+ b. Mn²+ + Zn → Mn + Zn²+ c. Zn2+ + Cu → Zn + Cu²+ d. Zn²+ + Mn → Zn + Mn2+ e. Cu²+ + Zn²+ → Cu + Zn

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