(a)
Interpretation: The stepwise mechanism for the reaction of
Concept introduction: Nucleophilic addition reaction is a type of organic reaction in which the nucleophile is added to an electrophilic site. In case of carbonyl compounds, the carbonyl carbon acts as an electrophilic site.
(b)
Interpretation: The validation of the fact that
Concept introduction: Nucleophilic addition reaction is a type of organic reaction in which the nucleophile is added to an electrophilic site. In case of carbonyl compounds, the carbonyl carbon acts as an electrophilic site.
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ORGANIC CHEMISTRY
- When the conjugate acid of aniline, C6H5NH3+, reacts with the acetate ion, the following reaction takes place: C6H5NH3+(aq)+CH3COO(aq)C6H5NH2(aq)+CH3COOH(aq) If Kafor C6H5NH3+ is 1.35105 and Kafor CH3COOH is 1.86105 , what is K for the reaction?arrow_forwardWhat is the major organic product of the following reaction? (a) (b) NaBH4 CH3CH₂OH ? (c) (d) OHarrow_forward2) Provide structures for the following compounds: a) ethyl acetate b) Pentanoic acidarrow_forward
- Draw the structures of the following compounds:(a) tert-butylaminearrow_forwardDraw the organic product formed when the followingcompounds undergo a substitution reaction: (a) acetic acid and1-hexanol; (b) propanoic acid and dimethylamine; (c) ethanoicacid and diethylamine.arrow_forwardA postgraduate student wanted to synthesized two carbonyl compounds known as compounds M and N using oxidation of alcohol. However, these carbonyl compounds should have more than 6 carbon atoms. Draw two (2) possible structural formulae for compounds M and N. How would you distinguish between compounds M and N?arrow_forward
- Bent (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_forwardEthers (general formula R—O—R)have many important uses. Until recently,methyl tert-butyl ether (MTBE, right)was used as an octane booster and fueladditive for gasoline. It increases the oxy-gen content of the fuel, which reducesCO emissions. MTBE is synthesized bythe 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.)(b) If the government required that auto fuel mixtures contain2.7% oxygen by mass to reduce CO emissions, how many gramsof MTBE would have to be added to each 100. g of gasoline?(c) How many liters of MTBE would be in each liter of fuel mix-ture? (The density of both gasoline and MTBE is 0.740 g/mL.)(d) How many liters of air (21% O₂ by volume) are needed at24C and 1.00 atm to fully combust 1.00 L of MTBE?arrow_forwardCitronellol ((3R)-3,7-dimethyloct-6-en-1-ol, C10H20O) is an organic fragrance found in the oil extracted from lemon grass. a) Name the two functional groups present in the molecule. b) When a few drops of bromine dissolved in hexane is added to a sample of citronellol the brown colour of the bromine rapidly disappears. i. What type of chemical reaction has occurred? ii. Draw the structure of the product formed. iii. Name the product. c) The product formed when citronellol is heated with a mixture of potassium dichromate and sulfuric acid gives a yellow/orange precipitate when shaken with Brady’s reagent (2,4-dinitrophenylhydrazine). It also shows a positive result with Fehling’s solution. i. What type of chemical reaction has occurred ? ii. What type of functional group is present in the product? d) Explain the type of stereoisomerism which may occur in citronellol.arrow_forward
- Part c and darrow_forwardTerpineol has 5 isomers. Write their structures and describe why chemically (optically) they receive those names. Number the carbons for a better description.arrow_forward6) Which is the organic product for the following reaction? (a) (b) (c) (d) сон COOH ОН ОН COOH COOH KMnO4 H2Oarrow_forward
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