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11 Soap and Synthetic Detergents

11 Soap and Synthetic Detergents - 17 j Name “Wu...

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Unformatted text preview: 17 j @ Name “Wu ‘émflami ‘ Section 603‘ EXPERIMENT 11 : 25 SOAP AND SYNTHETIC DETERGENTS PRE-LABORATORY QUESTIONS What is the difference between soap and detergent? $0099 at?“ Wed weed Wi‘m nammfg 3€Cd;“*"~3.»(oe \s s— Qua—S) /‘ 6 ‘Oemojems, a” mode *0th perrokeom Promo?» and eoqn’xiwg agafifs Omd cheeé m‘W‘n offificiok %Q%m.mQ/%‘ Mtergents perform better than soaps with hard water. Explain. Demhira mower \ess mam mim\s m mod-ex- 5 mar} dam» \eow'e residue live 5009 does, I [What does the term ‘W mean? What fiinctionaxlwgroup in soap is considered as the \‘hydrophilic’ / /// Hxidmp‘n“ Means Pr Vegas; wow Odes Cmci. lows RH 803:3 Oxe C009: dracb‘c- . 3. What is a micelle? pm afigmgoére 0‘?“ s’oVQQcTarfi mo\ec0\£s wspersed m 0‘ M‘W‘d Cokioid. Chemrl 4 I4—Academic Year 2010/201 1 1 1____1 3/5 4. Classify each of the following surfactants as anionic, nonionic, cationic or amphoteric: CH3(CH2)1§CH2N+(CH3)3 C1 ‘ Goi‘imL CH3(CH2)14CH2NH2+CH2COO' ’flfl‘ghfifim CH3(CH2)7C604-O-(CH2CH20)n H ‘fl 5» 2mm; CH3(CH2)130(CH2CH20)5803'Na+' gflgnfl‘ir ' Chem1414—Academic Yeax 2010/2011 1 1*2 ‘ Name Section RESULTS PART ONE: SURFACE TENSION OF WATER Observation Beaker with water only ' Th: biota/s $692341” $10a‘m or» érm's: “awaits? 39‘ m+e€¢ ‘ The, most; oepfie‘f‘ “3921 We in “we. borrow: a; We: "Sousa?” Beaker with surfactant W pepper goceads \‘0 We 6010.533 09 +x~e ‘OEGJVLS‘? After adding surfactant omo\ \secaina +0 firm/e *9 the ‘ocfi'mr’w, to first beaker PART TWO: EMULSIFYING PROPERTIES A Observation Test tube with water O“— ??di ark fin 1799 only Test tube with Bobb‘es Poem-ca mud “flue 0H aback/430‘ surfactant PART THREE: SOAP PREPARATION OBSERVATION: We hm“ o?- soag has a: QMhi 1,th ‘que Qc’g‘m; 1+ geg WW emao‘m omd 0mg, 12+ {<5 mote ‘ro he hmfiéfl mad molded {$311!}? Cheml414—Academic Year 2010/2011 ‘ 1 1‘9 \ I 0/ PART FOUR: DETECTING ANIONIC SURFACTANTS IN COMMERCIAL PRODUCTS Test tube number Commercial Product Positive or Negative (for anionic surfactant) 1 Shampoo {36g 2 Tooth Paste gas 3 Liguid Laundry detergent m5 4 Fabric Softener reg 5 Soap you prepared in Part Three tea 6 Control {\eq PART FIVE: PRESENCE OF PHOSPHATE IN COMMERCIAL PRODUCTS TA Cheml4l4—Academic Year 2010/2011 All equig/pgnt is put away, Test tube number Commercial Product Positive or Negative (for fliosphate) 1 Biz Laundry detergent , mg; “7 _—,— i 2 Cascade eggs 3 Comet mg 4 Dawn W165 SIGN-OUT: and the student b c is clean and dry. Date 0 11—10 Name Section POST LABORATORY QUESTIONS 1. Which part of a soap molecule is nonpolar? The Write comma Chain 2. Can the following compound be considered as soap? Explain. CH3 CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2COOCHZCH3 U0 , rt 60% {Ho-tr have saocficwx m: ‘ggo‘f’mafigm 3. Based on your results from PART TWO, is water a good wetting agent ? Explain No, because mom is New dfi‘fifigl. magi <5 grown other \iquiafi (iotgw. ’Chem14l4-Academic Year 2010/2011 1 1—1 1 4. What is the main ingredient of liquid chlorine bleach? How does it work in removing colored stains? go 51,ng misnomer 1m. reacts ww‘m weer (moi prodxméifi hthequoric acid and saggfif'a. The, Oppose?) reacts m3 m gem; 0% 3mg mementos: afrgcm Wm, CON 7 awe. swim. y14/6(NaOH) or potash (KOH) is used to remove grease/fat from clogged drains. Show in equation form, how this process takes place. 0mm) . i O 5 I l a AAA/1Q .3. o ~+~ an; a ‘ l N 'r ’: » \ i v! 3 1 E1 Chem1414-Academic Year 2010/2011 1 1— 1 2 Q (I ...
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