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Write the chemical equation for a pentanoate ion acting as base when it reacts with hydrochloric acid (HCI).
Which is formula of this rule of reaction?
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- Benzoic acid, Ph-COOH (C6H5CO2H), is not soluble in water while it dissolves in ether (diethyl ether), (CH3CH2)2O. Yet upon treatment with sodium hydroxide, benzoic acid turns hydrophilic and dissolves in water. Provide chemical explanation of this observation.Hydrolysis of the ester CH3-CH2-COO-CH2-CH2-CH3 in dilute acid, gives a. acetic acid and ethanol b. propanoic acid and ethanol c. propanoic acid and 1- propanol d. acetic acid and 1-propanolAccount for the fact that treating propenoic acid (acrylic acid) with HCl gives only 3-chloropropanoic acid.
- Following is the structural formula of the tranquilizer meparfynol (Oblivon). Propose a synthesis for this compound starting with acetylene and a ketone. (Notice the -yn- and -ol in the chemical name of this compound, indicating that it contains alkyne and hydroxyl functional groups.)Arrange the following molecules in increasing order of acidity. Base it only on their structural differences and explain how it is so. 1. HF, CH3CH2CH2OH, CH3CH2COOH 2. Ethyl amine, Ethanol, PropaneWrite equations for the reaction of 1-butanol with reagent. Where you predict no reaction, write NR. Q) K2Cr2O7, H2SO4, H2O, heat
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- potassium dichromate (Cr2O7^2-) oxidation of ethanol to acetic acid is the basis for the original breath-alcohol screening test used by law enforcement agencies to determine a person's blood alcohol content (BAC). the test is based on the difference in colour between the dichromate ion( redish orange) in the reagent and the chromium(iii) ion (green) in the product. deduce the reaction that is involved in this test and give the IUPAC name of the other product formed.Starting with acetylene and ethylene oxide as the only sources of carbon atoms, show how to prepare the compound Q.) 3-Hexyn-1,6-diolSome of the most useful compounds for organic synthesisare Grignard reagents (general formula R-MgX, where X is ahalogen), which are made by combining an alkyl halide, R-X,with Mg. They are used to change the carbon skeleton of a start-ing carbonyl compound in a reaction similar to that with R-Li:.(a) What is the product, after a final step with water, of thereaction between ethanal and the Grignard reagent of bromo-benzene? (b) What is the product, after a final step with water, ofthe reaction between 2-butanone and the Grignard reagent of2-bromopropane? (c) There are often two (or more) combina-tions of Grignard reagent and carbonyl compound that will givethe same product. Choose another pair of reactants to give theproduct in (a). (d) What carbonyl compound must react with aGrignard reagent to yield a product with the -OH group at theendof the carbon chain? (e) What Grignard reagent and carbonylcompound would you use to prepare 2-methyl-2-butanol?