119. Calculate the oxidation number of the chlorine in perchloric acid, HCIO4, a strong oxidizing agent. A) -1 B) +4 C) +5 +7 None of the above is the correct oxidation number. E) 120. Calculate the oxidation number of sulfur in sodium metabisulfite, Na2S20s A) -2 B) +2 C) +4 D) +5 E) None of the above is the correct oxidation number. 121. Sodium tripolyphosphate is used in detergents to make them effective in hard wet Calculate the oxidation number of phosphorus in NasP3O10. A) +3 B) +5 C) +10 D) +15 E) None of the above is the correct oxidation number. 122. What is the oxidation number of iodine in I2. A) -1 B) 0 C) +1 D) +7 E) None of the above is the correct oxidation number. 123. The oxidation numbers of P, S, and Cl in H2PO2 , H2S, and KCIO4 are, respectively A) -1,-1, +3. B) +1,-2, +7. C) +1, +2, +7. D) -1,-2, +7. E) -1,-2, +3. 91. How many moles of ions are released when 0.27 mol of cobalt(II) chloride, CoCl2, is E) 0.090 mol D) 0.18 mol dissolved in water? C) 0.27 mol B) 0.54 mol A) 0.81 mol 92. How many moles of ions are released when 1.6 mol of ammonium phosphate (NH4)3PO4, is dissolved in water? A) 0.40 mol E) 6.4 mol D) 4.8 mol C) 3.2 mol B) 1.6 mol 93. Select the precipitate that forms when the following reactants are mixed. NazCOs(aq) A) ВаСОз BaCh(aq) B) ВаСОз -> E) BaO D) NaCl2 C) NaCl 94. Select the precipitate that forms when the following reactants are mixed. Mg(CH:COO)2(aq) A) LICH3CO0 CH3OH + LIOH(aq) B) Li(CH3COO)2 D) Mg(OH)2 E) C) MgOH 95. Select the precipitate that forms when aqueous ammonium sulfide reacts with aqueous copper(II) nitrate. A) CuS D) NH4(NO3)2 E) CUSO4 B) CuzS C) NH4NO3 96. Select the precipitate that forms when aqueous lead(II) nitrate reacts with aqueous sodium sulfate. D) Pb2SO4 E) PbS C) PBSO4 B) NazNO3 A) NaNO3 97. Select the correct name and chemical formula for the precipitate that forms when the following reactants are mixed. CuCl2(aq) A) copper(I) carbonate, CU2CO3 B) copper(II) carbonate, Cu2CO3 C) copper(I) carbonate, CuCO3 Na2CO3(aq) -> D) copper(II) carbonate, CUCO3 E) sodium chloride, NaCl 98. Select the correct name and chemical formula for the precipitate that forms when the following reactants are mixed. COSO4(aq) A) cobalt(II) phosphate, Co3(PO4)2 B) cobalt(III) phosphate, Co3(PO4)2 C) cobalt(II) phosphate, COPO4 (NH4);PO4(aq) -> D) cobalt(III) phosphate, COPO4 E) ammonium sulfate, (NH4)2S04 49
119. Calculate the oxidation number of the chlorine in perchloric acid, HCIO4, a strong oxidizing agent. A) -1 B) +4 C) +5 +7 None of the above is the correct oxidation number. E) 120. Calculate the oxidation number of sulfur in sodium metabisulfite, Na2S20s A) -2 B) +2 C) +4 D) +5 E) None of the above is the correct oxidation number. 121. Sodium tripolyphosphate is used in detergents to make them effective in hard wet Calculate the oxidation number of phosphorus in NasP3O10. A) +3 B) +5 C) +10 D) +15 E) None of the above is the correct oxidation number. 122. What is the oxidation number of iodine in I2. A) -1 B) 0 C) +1 D) +7 E) None of the above is the correct oxidation number. 123. The oxidation numbers of P, S, and Cl in H2PO2 , H2S, and KCIO4 are, respectively A) -1,-1, +3. B) +1,-2, +7. C) +1, +2, +7. D) -1,-2, +7. E) -1,-2, +3. 91. How many moles of ions are released when 0.27 mol of cobalt(II) chloride, CoCl2, is E) 0.090 mol D) 0.18 mol dissolved in water? C) 0.27 mol B) 0.54 mol A) 0.81 mol 92. How many moles of ions are released when 1.6 mol of ammonium phosphate (NH4)3PO4, is dissolved in water? A) 0.40 mol E) 6.4 mol D) 4.8 mol C) 3.2 mol B) 1.6 mol 93. Select the precipitate that forms when the following reactants are mixed. NazCOs(aq) A) ВаСОз BaCh(aq) B) ВаСОз -> E) BaO D) NaCl2 C) NaCl 94. Select the precipitate that forms when the following reactants are mixed. Mg(CH:COO)2(aq) A) LICH3CO0 CH3OH + LIOH(aq) B) Li(CH3COO)2 D) Mg(OH)2 E) C) MgOH 95. Select the precipitate that forms when aqueous ammonium sulfide reacts with aqueous copper(II) nitrate. A) CuS D) NH4(NO3)2 E) CUSO4 B) CuzS C) NH4NO3 96. Select the precipitate that forms when aqueous lead(II) nitrate reacts with aqueous sodium sulfate. D) Pb2SO4 E) PbS C) PBSO4 B) NazNO3 A) NaNO3 97. Select the correct name and chemical formula for the precipitate that forms when the following reactants are mixed. CuCl2(aq) A) copper(I) carbonate, CU2CO3 B) copper(II) carbonate, Cu2CO3 C) copper(I) carbonate, CuCO3 Na2CO3(aq) -> D) copper(II) carbonate, CUCO3 E) sodium chloride, NaCl 98. Select the correct name and chemical formula for the precipitate that forms when the following reactants are mixed. COSO4(aq) A) cobalt(II) phosphate, Co3(PO4)2 B) cobalt(III) phosphate, Co3(PO4)2 C) cobalt(II) phosphate, COPO4 (NH4);PO4(aq) -> D) cobalt(III) phosphate, COPO4 E) ammonium sulfate, (NH4)2S04 49
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.182QP
Related questions
Question
Transcribed Image Text:119. Calculate the oxidation number of the chlorine in perchloric acid, HCIO4, a strong
oxidizing agent.
A) -1
B) +4
C) +5
+7
None of the above is the correct oxidation number.
E)
120. Calculate the oxidation number of sulfur in sodium metabisulfite, Na2S20s
A) -2
B) +2
C) +4
D) +5
E) None of the above is the correct oxidation number.
121. Sodium tripolyphosphate is used in detergents to make them effective in hard wet
Calculate the oxidation number of phosphorus in NasP3O10.
A) +3
B) +5
C) +10
D) +15
E) None of the above is the correct oxidation number.
122. What is the oxidation number of iodine in I2.
A) -1
B) 0
C) +1
D) +7
E) None of the above is the correct oxidation number.
123. The oxidation numbers of P, S, and Cl in H2PO2 , H2S, and KCIO4 are, respectively
A) -1,-1, +3.
B) +1,-2, +7.
C) +1, +2, +7.
D) -1,-2, +7.
E) -1,-2, +3.
Transcribed Image Text:91. How many moles of ions are released when 0.27 mol of cobalt(II) chloride, CoCl2, is
E) 0.090 mol
D) 0.18 mol
dissolved in water?
C) 0.27 mol
B) 0.54 mol
A) 0.81 mol
92. How many moles of ions are released when 1.6 mol of ammonium phosphate
(NH4)3PO4, is dissolved in water?
A) 0.40 mol
E) 6.4 mol
D) 4.8 mol
C) 3.2 mol
B) 1.6 mol
93. Select the precipitate that forms when the following reactants are mixed.
NazCOs(aq)
A) ВаСОз
BaCh(aq)
B) ВаСОз
->
E) BaO
D) NaCl2
C) NaCl
94. Select the precipitate that forms when the following reactants are mixed.
Mg(CH:COO)2(aq)
A) LICH3CO0
CH3OH
+ LIOH(aq)
B) Li(CH3COO)2
D) Mg(OH)2
E)
C) MgOH
95. Select the precipitate that forms when aqueous ammonium sulfide reacts with aqueous
copper(II) nitrate.
A) CuS
D) NH4(NO3)2 E) CUSO4
B) CuzS C) NH4NO3
96. Select the precipitate that forms when aqueous lead(II) nitrate reacts with aqueous
sodium sulfate.
D) Pb2SO4
E) PbS
C) PBSO4
B) NazNO3
A) NaNO3
97. Select the correct name and chemical formula for the precipitate that forms when the
following reactants are mixed.
CuCl2(aq)
A) copper(I) carbonate, CU2CO3
B) copper(II) carbonate, Cu2CO3
C) copper(I) carbonate, CuCO3
Na2CO3(aq)
->
D) copper(II) carbonate, CUCO3
E) sodium chloride, NaCl
98. Select the correct name and chemical formula for the precipitate that forms when the
following reactants are mixed.
COSO4(aq)
A) cobalt(II) phosphate, Co3(PO4)2
B) cobalt(III) phosphate, Co3(PO4)2
C) cobalt(II) phosphate, COPO4
(NH4);PO4(aq)
->
D) cobalt(III) phosphate, COPO4
E) ammonium sulfate, (NH4)2S04
49
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