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هذه األسئله إهداء من عبدهللا الحضري [email protected] ORGANIC CHEMISTRY – PHARMACY Choose the best answer: Cl 1- CH 3CHCH 2-CH 3 Is: a) 2-chloro butane b) 2,3-dichloro butane c) 2-bromo-3-chloro pentane 2- is: a) Pentane b) Butane c) Propane 3-Alkanes are soluble in a) water b) non polar solvent c) polar solvent 4- The simplest alkene is: a) ethylene b) acetylene c) methelen 5- CH3-CH2-CH=CH-CH2Br Is: a) 1-bromo-5-methyl-3-hexyne b) 7-bromo-2-methyl-3-hexyne c) 1-bromo-2-pentene 1 CH3 6a) methyl cyclo hexane b) 1,2-dimethyl cyclo hexane c) 1,1-dimethyl cyclo hexane 7- CH3 OH CH3 H2SO4 + 1. °C,THF 2. H 2O + H2O + CH3 OH 3. 8- Aniline has molecular formula: a) C6H7N b) C6H5NH2 c) Both Cl 9- Cl Is: a) m-dichloro benzene b) p-dichloro benzene c) o-dichloro benzene 2 10 -Oxidation of HO CH3 MnO4 1. H2O COOH 2. MnO 4 3. 11-The product of sulfonation of aniline is a) sulfa drug b) organic halides c) DNA and RNA 12-Alkyl halides (more-less-same) polar as hydrocarbon families. 13-Which is not alkane a) C2H4 b) C2H6 c) C3H8 14-Benzene ring has: a) Three double bond and three single bond. b) Three double bond and one single bond. c) Two double bond and one single bond. 3 HO OH Is: 15a) resorcinol b) catechol c) hydroquinone CH 3 CH 3-C-OH CH 3 This is a: 16a) 1o alcohol b) 2o alcohol c) 3o alcohol 17- Oxidation of primary alcohols gives (aldehyde ,ketone ,ester ) 18- Carboxylic acids and esters are reduced to give (alcohols, aldehydes, ketones) 19- Benzene is form of a) alkane b) alkene c) aromatic compound 20- Electrophiles have a) positive charge b) negative charge c) neutral 4 21- + AlCl3 RCl a. + HCl R b. Cl c. + HCl + HCl H O 22is: a) cyclo pentane. b) oxacyclo pentane c) cyclo propane. 23O OH O RC O Cl 1. 2. Cl 3. 5 C R H 24- CH 3-CH 2N-CH 2-CH 3 (Diethyl amine, butyldimethylamine, methyl propylamine) 25- CH3CH2NH2 Is (primary-secondary-tertiary) amine . O C H 26- H Is (benzaldehyde, acetaldehyde, formaldehyde) O 27-R-C-OH is (RCO2H, RCOOH, both) 28- Hexene has molecular formula (C6H12, C4H10, C5H10) 29- H2C CH2 Is: a) acetylene b) methyl c) ethylene 6 30Cl HO NO 2 NO 2 KOH a. Cl b. CH3 c. NO 2 CH3 Put true or false 1. Atoms are composed of positively charged protons T 2. Atomic number is the number of protons plus neutrons.F 3. Sp3 hybridization will form σ bonds.T 4. The most electronegative element is hydrogen.F 5. The electron negativity increase horizontally from left to right.T 7 6. Summation of all individual bond polarity is the dipole moment.T 7. In position isomerism there will be cis and trans.F 8. Tertiary amine can form hydrogen bond.F 9. Morphine and codeine is biologically active amine compound.T 10. Pesticides and herbicides are examples of biologically active compounds containing hlogens.T Complete: 1. The unit of dipole moment is ---Debye----------. 2. Is called ---Cyclo Butane------------. O 3. R-C-OH + ROH RCOOR +H2O O 4. R –C+[O] ------RCOOH----------. H 5. Head to head overlap gives------σ--------bond . 8 + Cl 2 6- C6H5Cl 7- CH3-CH2-CH3 is called---------Propane----------8- CH3-CHCl-CH2-CH3 is called-2- clorobutane----------9-CH 2=CH-CH 3 HCl CH3-CHCl-CH3 O 10- C6H5-C-OH Is called-----Benzoic acid----------- Write the general formula of: 1. Thiols 2. Ethers 3. Alkynes 4. Cyclo alkanes 5. Carboxylic acids R-SH ROR CnH2n-2 CnH2n RCOOH هذه األسئله إهداء من عبدهللا الحضري [email protected] 9