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Unit 11.3: Titration 1. A common product of add-base neutraOzation reactions Is - A hydrogen B water C carbon dtO><ide D oxygen 2. The name of the salt formed by the neutrallzatlon of hydrochloric acid and sodium hydroxide Is - F sodlum chloride G sodlum chlorate H sodlum dllorite J sodium hypochlorite 3. Equal , olun1e, of I n1olur h~ d rochloric :u:id (Ht ' IJ and I nu,Jar ,odium h,dro,idtc> hR,e • fNuC)H) are n1i,('d . . \fter n1i,in~. the ~ol ution "ill be ,\ lrongl) acidic R ,, eakly ~,c1d1c. • nearl) neutral. l) ,,·cnkly ba,ic. 4. The coefficients nece.ssary to balance the equation correctly are - F a = 2, b = 1, c = l, d = 2 G a = 1, b = 2, c = 1, d = 2 H a .. 1, b = 1, c = 1, d = 1 J a .. 2, b = 2, c ,.. 1, d - 1 5. \\'ltlcb \\Ould be 1110~1 npproprinte for coll ctin~ d ata daring a ne utr:, liza tion reac tion? .\ a pH probe n a 1ati-.uc program <.: a then110111ctcr 0 a graphing program 6. The Jaboralur~ prot't'S~ in \\ hit'li L11e , oluuie of a soJutiou uf kuo,Y11 c:onc:eutrati on is used to dctC' t111inC' t-l1C' ronc:C'ntration of another solution is c-al led (1) distillatio11 (:3) titi-ation (v) re r11 1entation (--l) transmutation The pH Ranges of Common Indicators lndlcaior pH Color Color range it turns ft 1ums if pH if pH below above range range cresol red 0.2 - 1.8 red yelaw methyl orange 3.2 - 4-4 red yelow methyl red 4.8-6.0 red yeflaw titmus 5.5 -8.0 red blue b«>moehymol blue 6.0 - 7.6 yellow !live phenol red 6.6 - 8.0 yellow red ihymolbkle 8.0- 9.6 yellow blue phenolphthalein 8.2. 10.6 coloness red 7. A solut ion of on known pO was tested wilh two inmcator s•. Methyl orange turned yellow and methyl red t1.:irned 1·ed. Which of these could oo lhe pR of the solution? A 3.0 B 4.0 C 4.6 D 6.2 8. In ,l tit1"t1lion. oo.O u1illilit I of a 0.150 '.\1 • -a [T ,1 aq> ~ol11tio11 ~xact]~, tH·11lr,tli1e:,; 2-1- .0 11lillilit --r~ of ,H Ff( :l1aq > solution. \\~hat b the cone ntration of th 11 'l(c. q ) olution':-' ( l 0 . l 0 :- ·1 :3) 0. ·'.SO ~1 1 ~ 0.1 o if t4) o;:3 10 ~1 9. Determine the- volume of 2..00 M HCl(a9) solution required to completely neutralize 20.0 milliliters of' 1.00 M NaOl-l(aq) solution. [1] 10. \\ 1ati. tl1 ~,olu111e ofu.:jO i\l " l-I (ar1) 1<""c~d ~l to eon1pJetel~· neutralize 15.0 n1illiliters nf 0.80 ~I II J, a J ,:> ( . } : . i Ill c2J . . 6 n1L , : 20. 1 uL (4) 40. 11L Unit 11.4: Electro-chemistry 1. Tl che1nical l r e ~ in ,, hich 1 ctr u. ur gain \d by ;_u, aton1 or an ion L ·nllf' 1 ( I addition (:3) re 1uction (2) oxidation ( --1) ub tilutiou 2. \ \ 'hicb process occurs in un operating ,·oltaie cell? ( 1) Elcctlicnl energy is conYc1tccl to chcnlicaJ e11ergy. (2) Chetr1ic-al energy is con,·e1ted to electlic.tl et 1erg). (3) OAiclation takes pince at the cathode. (4) Reduction takes place at the anode. 3. What is the oxidation number of an oxide ion? I 4. Determine the change in oxidation state for o.x-ygen in this reaction. 5. Cob a lt, a trans ition m e t al , can h a ve an o xida tio n numbe r of e ithe r 2+ or S+. Which of these re presen ts the h vo pos ible c h emical formulas fo1· the c h e mical combination of cob a lt with o~-ygen'l F CoO. Co;lO., G CoO3 , 0302 H Co2O3 , Co3O2 J CoO, Co3 O:i 6. 7. 8. 9. in HN03 , the oxtdatfon state of hydrogen rs +1 and the oxidation state of oxygen is -2. Therefore, the oxidation state of nitrogen is - F G H J -1 3 -4 -s \\1l1at is tl1 oxid, tion t:: t for a tn ato111? ( l) 0 (3) ...1..3 (2) +7 ( ) ...1.. In a re<lox r acti n. \\·hich particle are lo t nncl gain din equal numl r 'J (1, I ctr ns (:.. n utr 11.s (3) h,·clroxide ions ✓ (..J. ) hvdroniu1n ions ; In c1 r dox r action. th nt11nb r f el cb~ons I st is JUal t th numb r of ( l ) pr ton.'i lust ( 3 ) n -\utron ,. gain d ( 2 \ n utr 1 s lo t ( 4 1 :tron gain d '" 10. Which of the following represents a reaction in which the same reactant undergoes both oxidation and reduction? a. H2Se04(aq) + 2C1'1aqJ + 2H•1•qJ ➔ H2Se03(aq) + Cl2f8l + H20!~ b. Ss(sJ + 802f8J ➔ 8S02!gl C. 3Br2(aq) + 60H'taq) ➔ SBr ·(aqJ + Br03'(aq) + 3H20\I) d. Cah(aql + 504 2 ·(aq) ➔ CaS04(sl

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1) B
2) F
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