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1 of 10 Instructions: (1) Read the problem statement and answer choices carefully (2) Work the problems on paper as needed (3) Pick the answer (4) Go back to review the core concept tutorial as needed. [�8ו(��,6���c%��%��۲�x�w)���J�~�+r�ₛ��Z����5�v�ͬIw5�3ԉyy���fK႞���xɋPC/�8� �D����`/�� [KP ��Q� ,>��00ʽ��`=�k�6$H0p?���e��̽���c�B�,��9Ӵw%�V8̵y��0�e`Ԟ������6��� =g� 0000010409 00000 n This is what happens here. 0000000016 00000 n 0000005020 00000 n 0000021911 00000 n 0000025964 00000 n 86�;�*!�p Carboxylic Acids and Their Derivatives MCQ Practice Sheet. Which one of these would give methyl amine? INTRODUCTION Compounds containing the carboxyl group are distinctly O RC OH On simple acidic / basic hydrolysis O O O O R R R RR ’ R C C C CO C˜ O X NH 2 N CR Anhydride Nitrile Acyl halide Amide Ester O Flowchart 24.1: Derivatives of carboxylic acid acidic and are called carboxylic acids. 0000018484 00000 n 0000001279 00000 n 0000003681 00000 n xref Foreachofthefollowing(reaction(providethenecessaryreagentsforthe synthesisingoodyield. 0000002273 00000 n <<25B29E47B2F1254AB04333F592B8AACD>]>> 0000006856 00000 n 0000003373 00000 n Any factors that stabilize the excess charge on the carboxylate anion will enhance the acid dissociation constant and hence the acidity of the carboxylic acid. Acetamide is treated separately with the following reagents. The carboxylic acid derivatives vary greatly in their reactivities with nucleophiles. h�TP1n�0�� Carboxylic acids dissociate to a carboxylate anion and a proton. startxref 0000002826 00000 n ��[�}���l�- ٕ爴��7�P�`�rT��F��O�[. (a) PCl 5 (b) NaOH + Br 2 (c) Sodalime Predict products of acid-base reactions of carboxylic acids and predict relative acidity based on structure. 0 0000007751 00000 n 0000003086 00000 n 0000002861 00000 n 64 0 obj <>stream Which of the following is basic? 0000004630 00000 n 0000015227 00000 n %PDF-1.4 %���� x�b```�������(�����q�_^% !>!�!���"�.�/=��{z}�{Y�. The reactivity depends on both the structure of the derivative and also on the nature of the nucleophile. Exam 3 Problems - Ch 20 and 21 (Carboxylic Acids and Derivatives) Draw these Molecules Carboxylic Acid Nomenclature Derivative Nomenclature Nomenclature Double Check Acid Derivative Reactivity Acid Halide Reagents Acid Halide Reactions Some Synthesis with Acid Halides Esters and Anhydride Reactions Ester Reactions Amide and Nitrile Reactions Amides and Nitrile Reactions 2 Problem … trailer 0000003604 00000 n CARBOXYLIC ACID AND DERIVATIVES 1. 0000001360 00000 n 0000000916 00000 n Practice(Problems(on(Carboxylic(Acid(Derivatives(6(Ans(((1. 0000006040 00000 n 34 31 PRACTICE EXAM #3 Hour exam #3 will be ... Acids, and Carboxylic Acid Derivatives • Reaction and Drill Problems • Problem Sets 5 and 6 • McMurry Chapters 20, 21, 24 • All 5.12 material. 1. 0000008604 00000 n (a) CH 3 CH 2 OH (b) H 2 O 2 (c) HOCH 2 CH 2 OH (d) CH 3 COOH [1980] 2. %%EOF 0000005242 00000 n Draw three forms of amino acids. To answer this problem, you must be familiar with the nucleophilic acyl substitution mechanism. a) o-pentyl benzoic acid b) 4,5-dimethylnonanoic acid c) 3-sec-butyl octanedioic acid d) 2,2,2-tribromoacetic acid e) sodium 3,3-dibromoheptanoate f) 2-methylpropanedioic acid 17B. Rank the following acyl derivatives based on their reactivity as electrophiles toward hydroxide ion (1 = most reactive, 5 = least reactive). � :�q�0��!iQ���vĔ@˃_Ipd y�#�94d�v�� �%�8��5�K�-�X�.g=*2��e 0000001540 00000 n (see problem 725) Water reacts with an ester to form a carboxylic acid. 0000019218 00000 n ALKYL GROUPS: EFFECTS OF ELECTRON-DONATING GROUPS Name of Acid Structure pK a Effect Methanoic acid HCO 2 H 3.8 Ethanoic acid CH 3 CO 2 H 4.7 Weakening acidity … 1. Which of the following acid derivatives is the least reactive? 0000002404 00000 n Organic Chemistry - Problem Drill 15: Carboxylic Acids and Derivatives Question No. 34 0 obj <> endobj 0000026194 00000 n 0000001747 00000 n 0000026400 00000 n The answer key will be posted on Monday . 0000013055 00000 n For example acid chlorides hydrolyze in moist air, whereas amides hydrolyze slowly even in boiling alkaline water. Question Question 1. endstream endobj 35 0 obj <> endobj 36 0 obj <> endobj 37 0 obj <>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>> endobj 38 0 obj <> endobj 39 0 obj <> endobj 40 0 obj <> endobj 41 0 obj [/ICCBased 59 0 R] endobj 42 0 obj <> endobj 43 0 obj <>stream 0000009520 00000 n

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