Acids and Bases Part One Monster Review. Which of the following are general properties of bases in aqueous solution?

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1 Chemistry 1 Acids and Bases Part One onster Review 1 Which of following are general properties of bases in ueous solution? feel slippery and increase [ O ] turn litmus red and accept a proton conduct electricity and turn litmus blue feel slippery and react with Au to produce ( g) conjugate base of is electrical conductivities of 0 10 solutions of NaCl, CN and NO are measured order by conductivity from highest to lowest is ( mar NaCl > NO > CN CN > NO > NaCl NaCl > CN > NO NO CN NaCl Which of following acids has weakest conjugate base? IO NO CCOO 5 When 10 0 ml of 0 10 Cl is added to 10 0 ml of water, concentration of O in final solution is Which of following chemical species are amphiprotic in ueous solution? I F II N III I only II only III only II and III only

2 7 A solution is prepared by mixing mol Cl with Calculate moles of O present after mixing mol KO 0 mol mol mol mol 8 9 Calculate p in a 0 00 solution of Sr( O) K b value for is Which of following 10 salt solutions is acidic? BaS NCl Ca( NO ) NaCCOO 11 Which of following represents hydrolysis reaction that occurs in a solution of K CO? KCO K CO K O KO O C O O C O O KCO O KCO CO 1 Which of following tests could used to distinguish tween 10 Cl and 1 0 NaO? I electrical conductivity II III reaction with zinc to produce hydrogen gas colour of indicator phenolphthalein III only I and II only II and III only I, II and III

3 1 An Arrhenius base is defined as a compound that accepts O in solution releases O in solution accepts protons in solution donates protons in solution 1 In which one of following equations are BrønstedLowry acids and bases all correctly identified? Acid Base Base Acid O SO O SO O SO SO O SO O O SO SO O SO O Which of following statements applies to 10 N but not to 10 NaO? (1 m partially ionizes neutralizes an acid has a p greater than 7 turns bromcresol green from yellow to blue In which of following are favoured? NO CN NO CN S CO S CO N N C COO C COO 17 What is po of a solution prepared by adding 0 50 mol of NaO to prepare 0 50 L of solution? What is [ O ] in a solution with a po = 5 0?

4 19 Which of following solutions will have a p = 1 00? I 0 10 Cl II 0 10 NO III 0 10 NaO I only III only I and II only I, II and III 0 K a for acid AsO is What is value of K b for AsO? A hydronium ion has formula O O O conjugate acid of C N 6 5 is C65N C65N C65N C65N Which of following is a property of 1 0 Cl but not a property of 1 0 CCOO? turns litmus red ionizes completely has a p less than 7 0 produces O in solution, In a 1 0 F solution, concentration of F, F, and O from highest to lowest is F F O [ ] > [ ] > [ ] [ ] > [ ] > [ ] [ ] > [ ] > [ ] [ ] > [ ] > [ ] F F O O F F O F F

5 5 In which of following reactions is water having as a BrønstedLowry acid? O O Cl O O Cl N O N O N O O N 6 What is O [ ] of a solution with [ O ]= 9 10? p of 0 10 NO is What is po of a solution made by adding 50 0 ml of 0 50 NaO to 50 0 ml of water? Which of following 1 0 solutions will have lowest p? Cl CN CO value of K b for Te is value of Ka for Te is

6 1 In an ueous solution of NaCl, p is less than 7 and solution is acidic equal to 7 and solution is neutral greater than 7 and solution is basic greater than 7 and solution is acidic Which of following reactions is not a neutralization reaction? KO F KF O C O CO O Ca O Cl CaCl O NaCO SO NaSO CO O What is conjugate acid and what is conjugate base of? Conjugate Acid Conjugate Base Which of following same when comparing equal volumes of 1 0 Br and 1 0 CCOO? p electrical conductivity titration curve for reaction with a base moles of base required for neutralization 5 Which of following represents predominant reaction tween N and O? N O NO N O N O 5 N O N O N O O N

7 6 Consider following reaction: SO SO What is strongest acid and strongest base in above system? Strongest acid Strongest base SO SO SO SO 7 When a solution has po = 5 0, [ O ] is ow many moles of I are needed to prepare 0 L of an I solution with a p of 1 00? 0 00 mol 0 0 mol 0 mol 0 mol Which of following solutions has a p of 0? Cl CN NaO KSO Which of following expressions shows relationship tween Ka and Kb for a conjugate pair? K K = 1 a K K =1 a Ka Kb = Kw Ka Kb = Kw b b

8 8 When awill 0 Which containing most basic? mark) following solution Ag is mixed with a solution containing (1 BrO, 6of 10 7 ( mark 1 10 trial ion is determined to 5 10 What observed? 10 NO containing is most solution mixed with since a solution A precipitate form trial containing ion BrO <K 0 Which will Ag basic? 1 sp, 1aa0of SOfollowing When When solution containing Ag is mixed with a solution containing BrO, 7 trial ion is to 5 form 10 7 since What observed? marks) determined A precipitate trial ion >K trial ( ion NO CO is determined to 5 10 What observed?sp 1100 A precipitate not form since trial ion < K sp form since A precipitate trial <K Kcontaining 1 0 sp When a solution containing Agsince is mixed with a solution BrO, A form trial ion ion < 10precipitate SO sp ion > K A precipitate not form since trial sp 7 A precipitate form since trial ion > K sp observed? trial ion is determined to 5 10 What A precipitate form since trial ion > K sp 10 CO A precipitate not form since trial ion < K sp since 10precipitate A A precipitate not formform since trialtrial ion ion < K<sp K sp A precipitate not form since trial ion > K sp not form since trial > K sp A A precipitate precipitate since ion ion > Kwhich 1 Dissolving sp NaC COO form in water willtrial produce a solution is Which of following represents complete neutralization A precipitate not form since trial ion < K sp (1 mar of basic with p > 7 by NaO? A precipitate not form since trial ion > K sp basic with pcoo < 7 in water will produce a solution which is 1 Dissolving NaC Na neutralization represents NaO O Which of following complete acidic with p > 7represents complete neutralization Which of following of by NaO? NaO Na O basic with p by NaO? of acidic with p><77 < basic p 7 NaO Na O with NaO Na O following acidic of NaO Na ONa neutralization p 7represents O > with complete Which NaO NaO Na O of acidic NaO? NaO by p < 7 Na O with NaO Na O produce Na O NaOa a p at Which solution yellow NaO NaO Na Na O = 0? O NaO Na O red NaO Na O methyl conjugate BO is (1 mar O When NaO of Na base 5 equal volumes of 010 NO with 010 methyl violet Which produce a yellow solution at a p = 0comparing? (1 mark) indigo NaO carmine Na O observed? BO conjugate chlorophenol methyl redbasered of BO is p values same base BO is ofbo conjugate methyl violet electrical conductivities carmine indigo BO BO effects on blue litmus paper comparing equal volumes of 010 redno with 010 NO, what BO chlorophenol 5 When comparing equal volumes of 0 10 NO with 10 NO NO what 5 When comparing volumes 010 NO 10,, what with 00volumes of 010 NaO needed for neutralization BO BO of 010 conjugate NO 0equal 10 BO NO, of what base of volumes is dalvolumes observed? (1 NO mark) with 5 When comparing equal of 0 10 NO with 0 10, what BO observed? (1 mark) observed? BO observed? When comparing equal volumes of 010 NO with 010 NO, what 55 p values BO same BO p values values same same p BO ouldelectrical same values observed? conductivities p same electrical conductivities 6 BO BO electrical conductivities Consider equilibrium: nductivities effects on blue litmus paper electrical p effects onconductivities blue litmus litmus paper values effects on blue paper same ue litmus paper BO volumes of 010 NaO needed for neutralization effects on blue litmus paper electrical volumes of of NaO NaO needed for neutralization neutralization F conductivities volumes 00 needed for ) ( ) F ( ) ( 010 NaO needed for neutralization volumes of 010 NaO needed for 10 neutralization 8 BO effects on blue litmus paper volumes of 010 NaO needed for For neutralization above equilibrium, identify weaker acid and determ or are favoured der equilibrium: 6 Consider equilibrium: Consider equilibrium: um: ( marks) 6 Consider equilibrium: 8 F( ) F Acid Side Favoured F( ( ( ( ) F( Weaker ) ( ) ) ) 6 Consider equilibrium: F )) ) ( FF ( F F( ) F ( ) ( ) ( ) ( ) ( ) F wher wher e above equilibrium, equilibrium, weaker acid anddetermine Foridentify above identify weaker 8 acid F and determine F wher ) ) For above equilibrium, acid and (identify ( ) determine (wher ( ) nts oridentify areweaker favoured or and are favoured For acid above equilibrium, identify weaker weaker acid and determine rium, determine wher F or are favoured or are favoured are favoured For above equilibrium, identify weaker acid and determine wher Weaker Acidare favoured Side Favoured Weaker Acid Side Favoured or Weaker Side Weaker Acid Acid Side Favoured Favoured Side Favoured F F F Weaker Side Favoured FAcid F F F F 7 ionization of water can represented by F

9 7 ionization of water can represented by O ( l) ( g) O( g) O ( l) O O( l) O O O( l) O O 8 9 Calculate po of a Br solution Calculate value of K b for Which of following is net ionic equation describing hydrolysis of KCN? K O ( l) KO ( l) KCN O K CN CN O ( l) CN O CN O ( l) CNO 51 Which of following 1 0 salt solutions will acidic? NaNO NaCO NaSO Na 5 property common to both 0 10 Cl and 0 10 NaO is that both solutions taste bitter have a p > 7 conduct electricity react with magnesium to produce hydrogen gas

10 5 Consider following BrønstedLowry equilibrium: 6 5 ( l) 6 5 C N O C N O substances acting as acids and bases from left to right are acid, base, acid, base acid, base, base, acid base, acid, acid, base base, acid, base, acid 5 Consider following equilibrium: In above equilibrium, a conjugate pair is and C O CO C O and CO and CO and strength of acids Cl, SO and strongest is Cl,, SO Cl, SO, SO,, Cl, SO, Cl Consider following equilibrium at 5 C : from weakest to O O O l What happens to [ O ] and p as 0 1 Cl is added? [ ] decreases and p increases [ ] decreases and p decreases [ ] increases and p increases [ ] increases and p decreases O O O O

11 57 58 What is value of ionization constant for water at 5 C? Which of following equations represents dissociation of Sr( NO ) in water? s Sr NO Sr 6NO s s s Sr NO Sr NO Sr NO Sr NO Sr NO Sr NO What is equilibrium constant expression representing predominant reaction for hydrolysis of NaCO? w = [ ][ ] K O O [ Na ][ CO ] Keq = NaCO [ ] [ O ][ CO ] Ka = CO [ ] [ CO ][ O ] Kb = CO [ ] Which of following salt solutions will neutral? 1 0 NCl 1 0 LiClO 1 0 KCO 1 0 NaCO 61 An Arrhenius base is defined as a substance that releases releases O accepts a proton donates a proton 6 conjugate acid of AsO is AsO AsO AsO AsO

12 6 Which of following will have greatest electrical conductivity? 1 0 F 1 0 Br 1 0 CN 1 0 SO 6 Consider equilibrium: C COO NO NO C COO Identify stronger acid and predict wher or are favoured Stronger Acid Side Favoured NO NO C COO 6 5 C COO Which of following represents equilibrium expression for ionization of water? w = [ ][ ] K O O w = [ ] [ ] K O O K w = [ 1 O ][ O ] [ O ][ O ] Kw = O [ ] Determine p of 0 KO Four acids are analyzed and ir K a values are determined Which of following values represents strongest acid? K a = 10 1 K a = K a = K a = 1 10

13 68 dissociation of NNO is represented by s N NO N NO N NO N NO ( s) N O( l) O N NO O( l) NO O 69 A solution of Al( NO ) will basic acidic neutral amphiprotic A BrønstedLowry acid is defined as a substance that releases releases O accepts a proton donates a proton Which of following represents reaction of acting as an acid? O O O O O O O O 7 Consider following equilibrium: S BO BO S two species acting as BrønstedLowry bases in above equilibrium are 7 S and S BO and S S and BO BO and BO List bases C O, N, and in order from strongest to weakest > N > C O C O > N > > >

14 A basic solution can defined as one in which [ ] is not present [ ] is equal to [ O ] [ ] is less than [ O ] [ ] is greater than [ O ] [ ] in 0 05 O O O O What is O NO? Write base ionization constant expression for ( l) N O N O 77 [ N ] K b = N O [ ][ ] [ N ][ O ] Kb = N [ ] [ N ][ O ] K b = N O [ ][ ] [ N ][ O ] K b = N O [ ][ ] equation for predominant hydrolysis of N NO can represented by N NO N NO s N O ( l) O N NO O ( l) NO O ( l) N NO O O N NO 78 A solution made from baking soda ( NaCO ) has an amphiprotic anion which is basic since K < K basic since K > K acidic since K < K acidic since K > K a a a a b b b b

15 79 Which of following represents neutralization reaction tween Ca( O) ( s ) and Cl? O( l) $ O Ca Cl $ CaCl ( s) $ Ca O ( s) Cl CaCl O( l) Ca O Cl $ CaCl s O l 80 Which of following solutions will have lowest electrical conductivity? 1 0 I 1 0 S 1 0 NaO 1 0 NaNO 81 Consider following equilibrium: Which of following statements is true? CO O $ CO O Products are favoured cause O is a stronger acid than CO Products are favoured cause O is a stronger acid than CO Reactants are favoured cause CO is a stronger base than O Reactants are favoured cause O is a stronger acid than CO 8 Which of following factors of an acidic solution affect its p? I strength of acid II III concentration of acid temperature I and II only II and III only I and III only I, II and III 8 Consider following equilibrium: What changes occur to O O $ O O l [ ] and p when NaO is added? [ ] [ ] increases and p increases [ O ] decreases and p increases [ ] increases and p decreases [ O ] decreases and p decreases [ ] O O

16 8 ionization of water is endormic ow is K w related to temperature of water? K w increases as temperature increases K w decreases as temperature increases K w increases as temperature decreases K w remains constant as temperature decreases Which of following represents dissociation equation of a salt in water? s KCl $ K Cl Ca SO $ CaSO( s) Cl KO $ KCl O l Na( s) O( l) $ NaO ( g) Which of following represents equilibrium constant expression for hydrolysis reaction that occurs in NaF? [ F ][ O ] Kb = F [ ] [ F ][ O ] Ka = F [ ] [ Na ][ F ] Keq = NaF [ ] w = [ ][ ] K O O 87 Which of following salt solutions will acidic? KClO NBr NaCO NaCO 88 In which of following is SO acting as a BrønstedLowry acid? SO O & SO O N SO & N SO SO & SO C O SO & C O SO 89 What is conjugate base of? O

17 90 Which of following is correct if four solutions listed are compared to one anor? Concentration Relative Conductivity Ionization strong acid 0 50 highest complete weak acid 0 50 lowest complete strong base 10 highest complete weak base 10 lowest complete 91 Which of following is strongest acid that can exist in an ueous solution? O N O ClO 9 Which of following household could have a p = 1 0? soda pop tap water lemon juice oven cleaner 9 What is p of a KO solution? What is value of K b for?