Which of the following reactants and conditions would result in maximum formation of methyl propanoate?
a. propanol, methanoic acid, HCl, heat
b. ethanol, propanoic acid, HCl, heat
c. methanol, propanal, conc. HCl, heat
d. methanol, propanoic acid, heat
e. methanol, propanoic acid, HCl, heat
Answer = e (methanol, propanoic acid, HCl, heat)
CH3OH + CH3CH2COOH ---------> CH3CH2COOCH3 +H2O
An ester is formed when alcohol is warmed with a carboxylic acid, this reaction is known as esterification.
In this HCl is used as the acid catalyst. The option e will yield the maximum formation of methyl propanoate.
Which of the following reactants and conditions would result in maximum formation of methyl propanoate? a....
cdn.inst-fs-lad-prod.inscloudgate.net a) constitutional isomers c) stereoisomers b) cis-trans isomers d) none of these 45) There are 3 functional groups present on this molecule. Name them: HOCH, a) aromatic c) ketone b) alcohol d) aldehyde 46) The name for this molecule is _? a) ethanone c) ethanol CH3-C-H b) ethanal d) ethanoic acid 47) The name for this molecule is_? Н-С-ОН a) methanone c) methanol b) methanal d) methanoic acid 48) The name for this molecule is_? HC -CH, a) propanone...
19. Which of the listed compounds can exist in equilibrium with the following compound via an enediol intermediate? он о CH,CH–C–CH,CH, ООН a. CH-C—CHCH, O b. HOCHZ-C-CH.CH OH OH C. CH, -CH=CH-CH, O 11 d. CH-C–OCH.CH CH,C-CHCH.CH 0 OH 20. b. c. d. e. 21. Assign the IUPAC name to the following compound. (CHỊ) CHCH CHO a. 3,3-dimethyl-propanal 3.3-dimethyl-butanone 3,3-dimethyl-propanol 3-methyl-butanal 3,3-dimethyl butanol Which alcohol(s) will be formed when the following is hydrolyzed? CH,CHÚCH CHOCHỊCH OCH, only methanol b. only...
16.) Which of the following esters reacts fastest under conditions of acid-catalyzed hydrolysis? A) ethyl propanoate B) ethyl acetate C) ethyl 2-methylpropanoate D) ethyl 2,2-dimethylpropanoate
Q5: How will you convert the following? (0.5 mark each) a) Acetone to 2-methyl-2-propanol b) Acetone to 2-propanol c) Acetaldehyde to acetic acid d) Formaldehyde to 1-propanol e) Acetaldehyde to 2-butanol 1) Draw the structure of the following molecules i. Phenyl benzoate ii. Propanoic anhydride iii. Isopropyl acetate iv. 3-formylcyclopentane carboxylic acid v. 2,2-dimethylbutane dioic acid
3. Predict if the following conditions would result in the formation of a precipitate: 3+ a) 0.0025 M Fe at pH 6.00 b) 0.0025 M Ba and a 1.25 x 104 M solution of sodium sulfate c) 0.05 M Ca2 and a 1.25 x 104 M solution of cesium phosphate d) 7.92 x 101 M solution of Hg2 and a saturated solution of H2S at a pH of 0.5.
5. The equilibrium constant (K) for the formation of methyl benzoate from methanol and benzoic acid at 25°C is 3.77. Use the equation for the equilibrium constant to calculate the theoretical yield of methyl benzoate for the following conditions. (6 marks) a) With equal initial amounts of the reactants (1 mole of each reactant) b) With a threefold (x 3) excess of methanol (1 mole of benzoic acid and 3 moles of methanol) 6. Suggest a chemical reaction (include structures...
arked out of 00 (Which alkene would yield only propanoic acid (CH3CH2CO2H) upon oxidation with hot permanganate solution under acidic conditions? Merkja Durningu Veldu eitt: a. (E)-2-hexene O b. (Z)-2-hexene c. 2-methyl-2-pentene d. (E)-3-hexene e. (E)-4-methyl-2-pentene
Which conditions would result in the greatest maximum daytime temperature? cloudy skies, calm winds, dry conditions clear skies, calm winds, dry conditions cloudy skies, windy, humid conditions
Use curved arrows to propose mechanisms for the following reaction (a)Propene with HCl (b)tert-butylbromide with methanol(c)3-methyl-2-pentene with chlorine (d)3-methyl-1-butene with sulphiric acid(e)Propyne with excess HBr (f)2-Pentyne with water in the presence of a mineral acid.
- Suggest two different chemical tests that would help distinguish between the following pairs of compounds. State what you would do and what you would see: a) benzaldehyde and benzyl alcohol b) 2-pentanone and 3- pentanone c)propanal and diethyl ether d) acetophenone and phenylacetaldehyde e)Propanal and propanoic acid -Suggest an IR frequency that would help distinguish between each pair of the previous compounds