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ChemistryBll Chapters E-18 review 1. A sodium hydroxide solution has a pH of 10.40. What is thé [H+] and [OH'l? *i 2. If 54 mL of an aqueous solution of FbPC^ requires 34 mL of 0.83 M NaOH to reach thé end point, what is thé molarity of thé tbPC^ solution? C*e.$ fe 3. The pKa of lactic acid is 3.86. What is thé pH of a buffer in which thé concentration of lactic acid is 0.2 M and concentration of sodium lactate is 2.0 M? 4. Show thé acid, base, conjugate acid and conjugale base in following reactions: i -' -J a) H2SO4 + Mg(OH)2 -» MgSO4 + 2H2O Â~" 5 C»wj. ft " b) HNO3 + NH3 -> A + NO3 Ô _ 5. Naming thé following acids: a) HF b) HNO2 c) H3PO4 d) H2COs <^.rV»»ni'c- O.C~\<r- 6. How we can prépare a buffer? Describe thé buffers in our body. How thèse buffers react? Dr. Behrang Madani Chemistry B11 Bakersfield Collège 7. Found thé IUPAC name for thèse compounds? C, fH, a) CH3-CH-CH2-C-CH2-CH3 2. - CH3 OH T^NO 2 Cl Br I c) CH2=CH-CH-CH-CH3 < Cl OH OH I I d) CH3-CH2-CH-CH2-CH-CH2-CH3 e) CH3-CH2-O-CH2-CH2-CH3 CH2-CH3 f) CH3-CH2 -CH-CH2SH NH2 Br g) OH CH3 h) CH3-CH2-CH2-CH2-CH2-N-CH3 NH2 OH O I I II i) CH3-C-CH2-CH-C-CH2-CH3 6j NH2 O II j) CH3-CH-CH-CH 3 NO2 OH Cl O k) CH3-CH-CH2-CH-COH 2- - O\ • ^ - \. Behrang Madani 8. Draw thé structural formula for thèse compounds? e a) 3-methylpentanal b) 4-bromo-2-pentanone c) 4-chlorobenzaldehyde c-l OH d) 3-nitro-2-hexanol e) 3-hydroxylbutanoic acid f) Methyl butyl ether g) 2,4,5-trichloroaniline cl 1 h) 2,3-Dimethyl-l-butene i) N-Propylaniline . N/^ j) 3,3-dibromo-l-hexanethiol 9. Write five constitutional isomers for C?Hi4 (Heptene)? ^ 10. How can we convert thé first compound into thé second compound? Détermine thé type of chemical reaction, catalyst (if it is necessary) and other necessary conditions: a) Benzène to Chlorobenzene b) Ethene to Ethane ^«e**tr,o^ C^^«^ûo^) Dr. Behrang Madani Chemistry B 1 1 *<***,>,'•* r-*» Bakersfield Collège c) Pentanal to pentanoic acid Q d) 2-butanone to 2-butanol e) Propanol to propene 1 1 . Name four physical properties for aldéhydes? 12. Arrange thé following compounds according to increasing of boiling point: a) CH3-CH2-OH, CH2=CH2, b) CH3-O-CH2-CH3, c) CH3-CO-CH3, CH3-CH2-NH2 CH3-CH2-CH2-SH, CH3-CH2-CH3 CH3-CH2-CH2-OH, 13. Which compound is more soluble in water? a) CH3-CH2-SH CH3-CH2-COH •/ b) CH3-(CH2)6-CH2-OH CH3-CH2-OH S c) CH3-CH2-O-CH3 CH3-CH2-COOH S d) CH3-CH2-CH2-OH/ CH3-CH2-CH2-NH2 14. Which compound bas cis and trans isomer? If it bas, draw its cis and trans isomer. Which one bas higher boiling point (cis or trans)? a)2-methyl-2-butene b) 2-chloro-2-butene V— / e 15. Write thé molecular formula for thèse compounds: Dr. Behrang Madani ChemistryBll Bakersfield Collège a) An alkane with 15 carbon atoms b) An alkyne with 10 acrbon atoms H c) An alkene with 8 carbon atoms 16. Give an example for hydrogénation and halogenation of alkenes (write chemical équation). Précise thé type of catalyst if it is necessary. - CH cl C-l 17. Why benzène is less reactive than alkenes? 18. Write thé oxidation reaction for thèse alcohols: u a) CH3-CH-CH2-CH3 o K i -C- b) CH3-CH2-CH2OH ?" c) CH3-CH2-C-CH2-CH3 c £» « »v CH3 19. Complète thèse chemical reactions: a) CH3-CH2-CH2-NH2 b)CH3-CH2-SH + NaOH c) -OH +NaOH d) •COOH +NH 3 Dr. Behrang Madani ^ S A/a Chemistry Bll -f Bakersfield Collège 20. Explain why each of thé following is an incorrect IUPAC name. Write thé correct IUPAC name for thé compound. a) 2-ethylbutane b) 4,5-dimethylhexane c) 4-nitroaminobenzene ^ ^ ^ iv/,'cr» <**^ ^» d) 3-propyl-l-pentene 2 1 . The unsaturated fatty acids are liquid at room température but thé saturated fatty acids are solid. Why? B.*af«*d ^t ftc«^* Vv**«- s««s<e- V> 22. How soap clean? 23. Write thé chemical reaction with thé products: a) Dehydration - ethanol + heat with an acid catalyst produces? Ll m C0 Jf «2.0 b) Fischer esterification - ethanoic acid + Ethanol + acid catalyst produces? C-H3>- £ - o H -<• c) Halogenation - 2-butene + bromine produces? d) Combustion - propane + oxygen —» _ (please balance thé équation) Dr. Behrang Madani Chemistry B11 + Bakersfield Collège