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- Zaitsev's Rule refers to: which alkene is favored in a product mixture O how resonance contributors stabilize cations/anions/radicals O the stereochemistry of reaction intermediates/transition states O the stability of carbocation intermediatesIn the presence of light or heat, diazomethane (CH,N2) creates a carbene, which then adds to an alkene to make a cyclopropane. In the boxes below. draw the mechanism arrows for the reaction. H INEN: INE N:1. Describe the difference between addition polymerization and conden- sation polymerization. For an example of each type of polymerization a) Give the structural formula of the starting materials b) Draw a section of the polymer chain, showing at least one repeat unit 8 2. State the product of the following chemical reactions. a) Hydrolysis of methyl benzoate, C6H5COOCH3, with dilute sulfuric acid. b) Combustion of propan-1-ol.
- Which is true of a free energy diagram for an SN1 eaction? It shows one transition state. It always shows that the reaction is net exothermic. It never shows intermediates. It always shows that the reaction is net endothermic. It always includes multiple energy barriers.Which of the following reactions would result in the correct product?Which alkene reacts faster with HBr? Explain your choice.
- Write the mechanism of the following bromination reaction and explain the regioselectivity of the bromination reaction. Draw the mechanism, transition state, energy diagram, etc. The same reaction with chlorine is not much regioselective in Q1. Explain the decreased regioselectivity of the following chlorination reaction by comparing the bromination reaction in Q1. Draw the mechanism, transition state, energy diagram, etc.b) Which of the flowing reactions will have the faster rate and give a better yield? Use drawings of the transition state (show orbitals!) to explain why. Br NaOCH3 CH3OH Br NaOCH3 CH3OH9) Draw the conformer structure, Newman projection, before elimination and the elimination product of the following reaction: Br CH3ONA H
- 12) Use the curved arrow formalism to show the movement of electron pairs in the following reaction and label each reactant as a nucleophile or an electrophile. CHÍNH CHỊCH, + CO Học Nha CH₂CH₂CIQ7 Consider the reaction, where the alkane shown is subjected to radical bromination at 25 °C. Br₂ light Describe the major monobromination product. product5) Draw two reasonable resonance structures and the hybrid of the intermediate formed in the following reaction. H H NBS hot CC14