جامعة الملك سعود - كلية العلوم قسم الكيمياء االختبار النهائي للفصل الثاني في مقرر 145 كيم ) 1436-8-13 ه( الزمن: ساعتان اسم الطالب:- رقم الطالب:- الرقم التسلسلي:- مالحظة هامة: تصحيح االمتحان سيكون بناء على اإلجابة المكتوبة في الجدول رقم السؤال رقم السؤال اإلجابة اإلجابة 21 1 22 2 23 3 24 4 25 5 26 6 27 7 28 8 29 9 30 10 31 11 32 12 33 13 34 14 35 15 36 16 37 17 38 18 39 19 40 20 1
1- Hydrolysis of PhMgBr gives A) Phenol B) Benzyl bromide C) Bromobenzene D) Benzene 2- What is the reagent needed for the following transformation? A) CH 3 MgBr /H 3 O + B) LiAlH 4 /H 3 O + C) H 2 O / H + D) CH 3 Br 3- The hybridization of the carbons in benzene are A) sp B) sp 3 C) sp 2 D) sp3d 4- Which of the following structures is an aromatic? 5- Chlorination of toluene in presence of light gives A) 1-Chlorotoluene B) 2-Chlorotoluene C) 1,4-Dichlorotoluene D) Benzyl chloride 6- Which of the following groups is desactivating in electrophilic aromatic substitution reactions? A) OCH 3 B) -NH 2 C) OH D) COOH 7-Which of the following compounds has the common name p-xylene? 2
8- What is the correct name for the following compound? A) 3,3-Dimethyl-1-heptyne B) 5,5-Dimethyl-1-heptene C) 5,5-Dimethyl-1-heptyne D) 5-Etheyl-5-methyl-1-hexyne 9- The product of the following reaction is 10- What is the reagent needed for the following transformation? 11- Which of the following compounds will react with water in presence of HgSO 4 /H 2 SO 4 to give an aldehyde? A) Acetylene B) Propyne C) Ethene D) Propene 12- The reagent can be used for the transformation of isopropyl alcohol to isopropyl chloride is A) SOCl 2 B) FeCl 3 C) PhCH 2 Cl D) AlCl 3 3
13- The common name for the following structure is A) Allyl butyl ether. B) 3-Propoxypropene C) Allyl propyl ether D) Vinyl propyl ether. 14- The product of the following compound is A) Propyliodide + isopropanol B) Isopropyliodide + propanol C) Isopropyliodide + isopropanol D) Propyliodide + propanol 15- Which of the following molecules is non polar? A) CH 3 -OH B) HCOOH C) CH 4 D) CH 3 -NH 2 16- The least basic compounds is 17-Which of the following compounds has the highest boiling point? 18- The highest boiling point compound is: 19- The compound which can not exhibit geometrical isomerism: A) Cyclohexane B) 1,2-Dichlorocyclohexane C) 2-Butene D) 2-Pentene 4
20- How many π electrons are present in this compound? A) 5 B) 12 C) 6 D) 7 NO 2 Br 21- The IUPAC name for the following compound A) 5-Bromo-2,3-dimethyl-7-nitro-1,4-dioctene B) 5-Bromo-2,3-dimethyl-7-nitro-1,4-octadiene C) 3-Bromo-6,7-dimethyl-2-nitro-4,7-octadiene D) 2,3-Dimethyl-5-bromo-7-nitro-1,4-dioctene is 22- What is the best reagent needed for the reaction below? A)O 2 / Zn B) O 3 / Zn C) KMnO 4 D) LiAlH 4 23- The product of the following reaction is 24- How are the following compounds related? A) Structural isomers B) Geometrical isomers C) The same compounds D) Both derivatives of carboxylic acid 5
25- The IUPAC name for the following compound is A) Butylmethylamine B) N-Isopropyl-N-methylacetamide C) N-Isopropyl-N-methylethanamide D) Propylmethylacetylamine 26- The product of the following reaction is 27- Which of the following reaction would be useful to produce the following compound 28- The least acidic compounds is 6
29- What is the product of the following reaction? 30- Which of the following structures is glycol? 31- Reaction of sodium acetate with acetyl chloride gives A) Aldehyde D) Ester C) Anhydride D) Hydroxy acid 32- The common name for the structural formula is A) tert.butylisobutylamine B) Isopropylpropylamine C) tert.butylpropylamine D) Diisobutylamine 33-The correct IUPAC name for the following compound is A) 6-Chloro-5-propoxy-3-hepten-2-ol B) 2-Chloro-6-hydroxy-5-methoxy-4-heptene C) 2-Chloro-5-propoxy-4-hepten-6-ol D) 1-Chloro-1-methyl-2-propoxy-3-hexen-5-ol 7
34- The IUPAC name for the following compound is? A) 3-Chloro-4-methyl-3-hepten-2-amine B) 2-Chloro-1,3-dimethyl-2-hexen-1-amine C) 5-Chloro-4-methyl-4-hepten-6-amine D) 5-Chloro-4,6-dimethyl-4-hexen-6-amine 35- Which of the following compounds is considered as acetal? A) 1,2- Dimethoxy propane B) 2,2-Dimethoxypropane C) 2-Methoxy-2-propanol D) 1,3-Dimethoxyproapne 36- The IUPAC name for the following structure is: A) 3-Benzyl-3- oxo-propanoic acid B) 1- Phenyl-2-oxo-butanoic acid C) β - Oxo-γ-Phenyl-butanoic acid D) 3-Oxo-4-Phenylbutanoic acid 37- Which one of the following compounds react with acetaldehyde to produce an imine? A) CH 3 NH 2 B) NaNH 2 C) D) NH 2 OH 38- The product of the following reaction is 8
39- The main reaction of carbonyl in aldehydes and ketons is A) Electrophilic substitution. C) Electrophilic addition. B) Nucleophilic substitution. D Nucleophilic addition. 40- The product of the following reaction is 9