Concept explainers
Interpretation:
Mechanism of the reaction should be identified by curved arrow pattern.
Concept introduction:
Electrophile (negative-charge loving): A molecule or ion that accepts a pair of electrons to make a new covalent bond is called an electrophile.
Electrophiles are neutral or positively charged species, having vacant orbitals and attracted electron towards itself.
Substitution reaction: During a
Electrophilic substitution reactions: an electrophile replaces a functional group in a compound, which is typically, but not always, a hydrogen atom.
Electrophilic
Carbocation: carbon atom bears positive charged species with three bonds is called Carbocation and it plays vital intermediate in
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Chemistry: Atoms First (Comp. Instructor's)
- 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_forward(a) Alkenes are relatively stable compounds but are more reactive than alkanes and serve as a feedstock for the petrochemical industry because they can participate in a wide variety of reactions. Predict the products obtained from following reaction. Write the chemical reaction and name the products according to IUPAC system. (i) the reaction of 3-ethyl-3-methyl-1-pentene with hydrogen bromide (ii) the reaction of 3-ethyl-2-pentene with hydrogen bromidearrow_forwardKetene, H2C=C=O, is an important industrial chemical. Predict the products that would be formed when ketene reacts with **hint: Markovnikov addition occurs. (a) ethanol (b) acetic acid (c) ethylamine.arrow_forward
- Compound A has the molecular formula C7H12. Hydrogenation of compound A produces 2-methylhexane. Hydroboration-oxidation of compound A produces an aldehyde. Draw the structure of compound A.arrow_forwardDraw a structural formula of an alkene that undergoes acid-catalyzed hydration to give each alcohol as the major product (more than one alkene may give each alcohol as the major product). (a) 3-Hexanol (b) 1-Methylcyclobutanol (c) 2-Methyl-2-butanol (d) 2-Propanolarrow_forwardWrite a mechanism for the acid-catalyzed addition of water to 2-butenearrow_forward
- 3 Ethers (general formula R—O—R,) have many important uses. Until recently, methyl tert-butyl ether (MTBE, below) was used as an octane booster and fuel additive for gasoline. It increases the oxygen content of the fuel, which reduces CO emissions. MTBE is synthesized by the catalyzed reaction of 2-methylpropene with methanol.(a) Write a balanced equation for the synthesis of MTBE. (Hint: Alcohols add to alkenes similarly to the way water does.)arrow_forwardChlorination 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_forwardCompound A is unsaturated hydrocarbon with molecular formula (C6H12) reacted with Br2 in water to form compound B. compound C was produced from the reaction between compound A, sulphuric acid and H2O (g). Compound A undergo hydrogenation to form compound D. Compound E was produced from the reaction of compound A with Br2 in room temperature. Compound A undergo hydrohalogenation in the presences of hydrogen peroxide to form compound F. The reaction between compound F with aqueous sodium hydroxide will form compound G. Compound H was produced when compound F reacts with the aqueous ammonia in ethanol. Compound F also reacts with aqueous sodium cyanide to produce compound I. Draw the possible structural formulae of compounds A, B, C, D, E, F, G, H and I. Give the IUPAC nomenclature of compounds H and I. Distinguish between compound A and D.arrow_forward
- One mole of an unknown hydrocarbon, compound C, in the presence of a platinum catalyst, adds 98.9 L of hydrogen, measured at 744 mm Hg and 22 degrees C , to form a saturated alkane which contains one ring. When one mole of compound C is reacted with ozone, followed by reduction with (CH3)2S , four moles of only one product was formed, whose condensed molecular formula is CHO -CHO. Give the structure of compound C. Explain your reasoningarrow_forwardWhich products are formed when hydrobromic acid is added to (a) trans-2-hexene, (b) 2-methyl- 2-pentene, and (c) 4-methylcyclohexene, and how many regioisomers can be formed in each case?arrow_forwardCompounds A and B are isomers of the molecular formula C9H19Br. Both yield the same alkene C in an elimination reaction. Hydrogenation of C yields the product 2,3,3,4 tetramethyl pentane. What are the structures of A, B, and C?arrow_forward
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