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(a)
Interpretation:
The effect on the rate of the hydration reaction of styrene if the reactions were run in
Concept introduction:
The hydration reaction of
(b)
Interpretation:
The explanation as to how the rate of hydration of styrene in
Concept introduction:
The hydration reaction of alkene is an addition of water molecule on the alkene to give back alcohol as a product. This reaction proceeds via the formation of carbocation intermediate in the first step by the abstraction of a proton from the solution. The stability of carbocation is responsible for the rate of reaction.
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Chapter 9 Solutions
EBK ORGANIC CHEMISTRY
- Name and draw a structural formula for the major product of each alkene addition reaction: CH S (a) CH₂C=CH₂ + HI →→→→ (b) CH 3 + HClarrow_forwardDraw the structure of the predominant form of CF3CH2OH (pK a = 12.4) at pH = 6.arrow_forwardBent (D) Trigonal pyramidal 5. A student wishes to prepare ethyl acetate from the reaction of ethanol and acetic acid. To be successful, this reaction requires (A) an acidic catalyst. (C) an oxidizing agent. (B) a basic catalyst. (D) a reducing agent. 6. Which alkyl halide reacts most rapidly with aqueous sodium hydroxide solution? (A) CH₂Cl (B) CH₂I (C) (CH3)3CCH₂Cl (D) (CH3)3CCH₂I 57. How many isomers are there with the formula C6H₁4?arrow_forward
- Chlorination of 2-butanone yields two isomeric products, each having the molecular formula C4H7ClO. (a) What are these two compounds? (b) Write structural formulas for the enol intermediates that lead to each of these compounds. (c) Using curved arrows, show the flow of electrons in the reaction of each of the enols with Cl2.arrow_forwardQ2. Consider the nucleophilic substitution reaction between 3-chloro-3-methylpentane and the hydroxide ion: CI x + OH (a) Is the alkyl halide 1°, 2° or 3°? (b) Will the nucleophilic substitution reaction be S₁1 or S№2? (c) Give the substitution mechanism showing all full and partial positive and negative charges, electron movements using curved arrows.arrow_forward21.) Calculate the enthalpy of hydrogenation of benzene to cyclohexane from the following reactions A,H (kJ/mol) C6H6 (1) + 15/2 02 (g) → 6 CO2 (g) + 3 H20 (1) C6H12 (1) + 9 02 (g) → 6 CO2 (g) + 6 H20 (1) H2 (g) + ½ 02 (g) → H2O (1) -3268 -3920 -285.83 a.) -205 kJ/mol b.) -1507 kJ/mol c.) -938 kJ/mol d.) -366 kJ/molarrow_forward
- Disiamylborane adds only once to alkynes by virtue of its two bulky secondary isoamylgroups. Disiamylborane is prepared by the reaction of BH3 # THF with an alkene.(a) Draw the structural formulas of the reagents and the products in the preparation ofdisiamylboranearrow_forwardDraw the organic product obtained by hydroboration-oxidation of each of the following alkenes: (a) trans-2-pentene, (b) 2-tert-butyl-3,3-dimethyl-1- butene, and (c) 1-methylcyclohexene. Having done this, draw the product of the acid-catalyzed hydration of these same alkenes. How do the reaction products differ?arrow_forward5B In the following reactions, mixtures of alkenes and ethyl ethers are formed. Draw their structures. Explain which is or are likely to be the main product(s) in each reaction. In case of formation of two isomers of alkenes, explain which is formed in greater proportion CH3 CH3 H3C-C H -Br CH3 EtOHarrow_forward
- ) The reaction of hydroxide ion with chloromethane to yield methanol and chloride ion is an example of a general reaction type called a nucleophilic substitution reaction: HO¯ + CH;CI = CH;OH + CI¯ The value of AHº for the reaction is -75 kJ/mol, and the value of ASº is +54 J/ (K- mol). What is the value of AG° (in kJ/mol) at 298 K? Is the reaction exothermic or endothermic? Is it exergonic or endergonic?arrow_forwardCompounds B and C are hydrocarbons with the structural formulae as shown below. CH, „CH, в (a) Name compounds B and C according to the IUPAC nomenclature. (b) Both B and C can undergo oxidation reaction with the same oxidizing agent. Write chemical equations involved and explain the differences between these two reactions. (c) Name one reaction that converts B to methylcyclohexane.arrow_forwardPhotochemical chlorination of 2,2,4-trimethylpentane gives four isomeric monochlorides. (a) Write structural formulas for these four isomers. (b) The two primary chlorides make up 65% of the monochloride fraction. Assuming that all the primary hydrogens in 2,2,4-trimethylpentane are equally reactive, estimate the percentage of each of the two primary chlorides in the product mixture.arrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
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