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Recall from section 1.10B that there is restricted rotation around carbon-carbon double
bonds. Maleic acid and fumaric acid are two isomers with vasity different physical properties and
maleic acid fumaric acid
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Chapter 3 Solutions
Organic Chemistry
- Aspirin is prepared by the reaction of salicylic- acid with acetic anhydride as shown in the following equation. The stoichiometry of the reaction is given in the equation. Acetic acid is a by-product of the reaction and must be separated and removed so that aspirin can then be sold as a pure product. How many grams of aspirin can be prepared from 120 grams of salicylic acid? Assume that there is an excess of acetic anhydride. (Chapter 4) Acetylsalieylic acid (Aspirin)arrow_forwardDrinking of too much alcohol cause liver cirrhosis because ethanol is converted to toxic * Acetone Ethanal Acetic acid Methyl ethanoate Ethers have lower boiling points compared to alcohols of comparable mass because they form dipole-dipole interaction among themselves. they cannot form hydrogen bond among themselves. they can form hydrogen bond with water. they are solvents in organic reactions. Dehydration of two molecules of methanol under acidic condition (H2SO4) at high temperature will produce * Acetone Ethanal Acetic acid Methoxymethanearrow_forward10 Regarding t-butanol and n-butanol, which is/ are correct statements of the following: |- Both are having equal solubility in water Il- t-butanol is more soluble in water than n- butanol III- Boiling point of t-butanol is lower than n-butanol IV- Boiling point of n-butanol is lower than t-butanol * Only I Only II Only II Il & II III & IVarrow_forward
- Which is NOT a physical property of alcohols or phenols? O Phenols are generally only slightly soluble in water. O The hydroxyl group of an alcohol is nonpolar. The solubilities of normal primary alcohols in water decrease with increasing molecular weight. Boiling points of normal primary alcohols increase with increasing molecular weight.arrow_forwardb) Ph NaOH heat, dehydration (CH3)3CCHO KOH heat, dehydration NaOH heat,dehydrationarrow_forwardCream of tartar is a white powder sometimes used in baking. (It's what separates a tangy, chewy snickerdoodle from an ordinary cinnamon-coated sugar cookie. The acid in the cream of tartar gives snickerdoodles their distinctive tangy flavor, and the chew happens because cream of tartar prevents sugar in the cookie dough from crystalizing into crunchiness. Allrecipies.com) Cream of tartar (KHC4H4O6) is the conjugate base salt of tartaric acid (shown to the right). The Ka for another similar acid is 8.7×10-3. What is the standard Gibb's free energy (in kJ/mol) for the dissociation of that other acid?arrow_forward
- Functional Group Classes Alcohol Amide Ester • CH₂CH₂OH * CHIO-CH, 7. H₂C1O Amine Ketone Circle each functional group(s) and identify the class to which each of the groups belongs. 9. H₂C Aldehyde Thiol Aromatics Carboxylic Acid 2. CH,SH 6. Alkenes 4. H₂NCH₂CH₂ 10. Ether NM₂ 11. Which of the functional groups in the top list must be on a terminalC in the carbon chain?arrow_forwardWhy is water more acidic than ethanol but slightly less acidic than methanol?arrow_forward1. Answer Only True or False? Ketones can be oxidized by Tollen's reagent? True False Refer to the following mixtures: Mixture A: Liquid and solid mixture Mixture B. Liquid mixture whose boiling points are similar. Mixture C. Liquid mixture with high boiling point. Mixture D. Heat sensitive liquid mixture. Which of the following distillation can be applied for Mixture C? vacuum distillation fractional distillation simple distillation none of these In the experiment synthesis of acetyl salicylic acid, what is the purpose of adding water after salicylic acid and acetic anhydride reacted? the destroy the unreacted salicylic acid the destroy the unreacted acetic anhydride to increase the yield of the reaction to dilute the sulfuric acid ————— What smell/odor is expected for the complete reaction of benzyl alcohol and formic acid in the presence of catalytic amount of sulfuric acid? pineapple smell orange smell banana smell wintergreen smell finger nail polish smell…arrow_forward
- 9. An organic compound, P, has the molecular formula, C3H6O. It reacts with chromic acid to form Q. Q reacts with ethanol in the presence of concentrated sulphuric acid to give a sweet-smelling liquid, R. a) Identify P, Q and R. b) Arrange in decreasing order the boiling point of compound P, Q and ethanol. Explain. c) Compare acidity of Q and propanolarrow_forwardWhich type of chemical bond forms between the hydrogen and oxygen atoms in a hydroxyl functional group? A B с D an electronegative bond a covalent bond a hydrogen bond an ionic bondarrow_forwardexplain why methanethiol, CH3SH, has a lower boiling point (6°C) than methanol, CH3OH (65°C), even though methanethiol has a higher molecular weightarrow_forward
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