Homework Answers
Option b is the right answer.
CaS and CuCl2 react to give Cus and Cacl2. CuS is insoluble and thus forms precipitate.
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Question 3 (1 point) Which one of the following sets of reagents will undergo a precipitation...
Question 11 (1 point) Identify the reagents used to carry out the chlorination of benzene. a)...
Question 11 (1 point) Identify the reagents used to carry out the chlorination of benzene. a) Cl2/CC14 b) Cl2/FeCl3 c) Cl2/AlCl3 d) NaCl/Fe e) both B and C Question 12 (1 point) Predict the product, when 4-methyl-2-hexanone reacts with hydrazine in the presence of an acid catalyst. HUN HO NH | HON HO NH2 a) v b) iv C) III d) 11 e) Question 13 (1 point) Which one of the following compounds is aromatic? I I III IV a)...
1. Which of the compounds below is expected to undergo Sg2 reaction to the highest degree?...
1. Which of the compounds below is expected to undergo Sg2 reaction to the highest degree? ~ a 2! The following substrate was subjected to a series of nucleophilic reactions. Which of the reagents below would be expected to progress climination reaction to the highest degree? elimination a) H.O b) Toso c) CH,COO d) HO el I Which of the following solvents should be correctly called aprotic solvent? M. a) aqua b) DMHA c) DMA d) MAC c) McОН The...
Ос OB ОЕ ОА D Question 23 4 pts Which sets of reagents would most readily...
Ос OB ОЕ ОА D Question 23 4 pts Which sets of reagents would most readily undergo the following transformation? 7 anconote - Yo'l-oylering А B с None. All would liminate OD OA a O
3 p-Bromotoluene could be produced by miscing toluene with which of the following reagents? a) Bra...
3 p-Bromotoluene could be produced by miscing toluene with which of the following reagents? a) Bra and FeBrz b) Bra with peroxide c) NaBr in HB d) AlBry/heat e) H2SO,/water no correct response 4 In naming aromatic benzene derivatives which if the following is the same as a 1,3- substitution? a) iso b) propyl c) ortho d) meta e) para 1) sec 9 Which of the following chemical reagents will yield 1,2-dichlorobut-1-ene when reacted with but-1-yne? a) 1 mole HCI...
Acid rain is precipitation with a pH above 5.6 above 7.0 below 5.6 below 7.0 None...
Acid rain is precipitation with a pH above 5.6 above 7.0 below 5.6 below 7.0 None of the above. 00000 QUESTION 29 When water and motor oil are mixed, these two substances: O A. none of these are correct B. form a homogeneous mixture o C. undergo a chemical reaction D. do not mix together form a heterogeneous mixture OE QUESTION 30 What is always produced in an acid-base neutralization reaction? an acid a base a salt and water an...
?? 16. Which of the following reagents would promote non-Markovnikov addition to an alkene? a. 1....
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16. Which of the following reagents would promote non-Markovnikov addition to an alkene? a. 1. Hg(OAc)2, H20/THF, 2. NaBH4 b. KBr/KOH c. H30+ d. 1. BH3, THF 2. H202OH- 17. Halohydrin formation would be achieved by reacting an alkene with which of the following? a. b. c. d. Cl2 and water Water and methanol Os04 H2 and a catalyst 18. Reacting an alkene with 03 followed by Zn/H2O+ will create, a. Two carboxylic acids b. Two ketones c. One...
Question 8 (1 point) Which of the following sets is equal to {1,3}? o {2x +...
Question 8 (1 point) Which of the following sets is equal to {1,3}? o {2x + 1 € Z1-3 < x² < 3} {x² + 1 € Z|XE Z and x < 2} . o {x E N | 2x + 1 <2} o {x? EN|0 < 2x +1 < 3} O None of the above Question 7 (1 point) Let Α = {a, b, c} and consider the equivalence relation R = {(a, 1), (b, b), (c, c), (c,...
Question 183 (1 point) Which of the following defines evaporation? O Precipitation landing on vegetation before...
Question 183 (1 point) Which of the following defines evaporation? O Precipitation landing on vegetation before reaching the surface and draining The net movement of free water molecules away from a wet surface into air that is less saturated phase change of water from a solid crystalline structure (ice) directly to vapor. meteoric water passing through the ground surface into the vadose zone Vegetation releasing water into the atmosphere through small leaf openings called stomata Question 184 (1 point) Which...
i dont know what im doing. help. 4.3-Precipitation Reactions 3. The following molecular views show reactant...
i
dont know what im doing. help.
4.3-Precipitation Reactions 3. The following molecular views show reactant solutions for a precipitation reaction (with H,O molecules omitted for clarity). a) Which compound is dissolved in beaker A: KCI, Na2SO4, MgBrz, or Ag2SO.? b) Which compound is dissolved in beaker B: NH,NO3, MgSO Ba(NO3), or CaFZ? c) Write a balanced molecular, total ionic, and net ionic equations for the reaction that occurs when solutions A and B are mixed. d) If 1 L...
Which of the following reactions will undergo an E1 reaction faster? Question 2 Not yet answered...
Which of the following reactions will undergo an E1 reaction faster? Question 2 Not yet answered Points out of 1.0 P Flag question (a) C (b) (c) (d) Select one: O a. (a) 1-bromopentane O b. (b) E-1-bromo-1-pentene c. (C) 3-methyl-3-bromopentane O d. (d) 3-methyl-3-bromo-1-pentene O e. The two fastest of these will have exactly the same rate constant. True or false: When both an SN2 and an E2 reaction are possible, increasing the temperature of the reaction will speed...
Question 11 (1 point) Identify the reagents used to carry out the chlorination of benzene. a) Cl2/CC14 b) Cl2/FeCl3 c) Cl2/AlCl3 d) NaCl/Fe e) both B and C Question 12 (1 point) Predict the product, when 4-methyl-2-hexanone reacts with hydrazine in the presence of an acid catalyst. HUN HO NH | HON HO NH2 a) v b) iv C) III d) 11 e) Question 13 (1 point) Which one of the following compounds is aromatic? I I III IV a)...
1. Which of the compounds below is expected to undergo Sg2 reaction to the highest degree? ~ a 2! The following substrate was subjected to a series of nucleophilic reactions. Which of the reagents below would be expected to progress climination reaction to the highest degree? elimination a) H.O b) Toso c) CH,COO d) HO el I Which of the following solvents should be correctly called aprotic solvent? M. a) aqua b) DMHA c) DMA d) MAC c) McОН The...
Ос OB ОЕ ОА D Question 23 4 pts Which sets of reagents would most readily undergo the following transformation? 7 anconote - Yo'l-oylering А B с None. All would liminate OD OA a O
3 p-Bromotoluene could be produced by miscing toluene with which of the following reagents? a) Bra and FeBrz b) Bra with peroxide c) NaBr in HB d) AlBry/heat e) H2SO,/water no correct response 4 In naming aromatic benzene derivatives which if the following is the same as a 1,3- substitution? a) iso b) propyl c) ortho d) meta e) para 1) sec 9 Which of the following chemical reagents will yield 1,2-dichlorobut-1-ene when reacted with but-1-yne? a) 1 mole HCI...
Acid rain is precipitation with a pH above 5.6 above 7.0 below 5.6 below 7.0 None of the above. 00000 QUESTION 29 When water and motor oil are mixed, these two substances: O A. none of these are correct B. form a homogeneous mixture o C. undergo a chemical reaction D. do not mix together form a heterogeneous mixture OE QUESTION 30 What is always produced in an acid-base neutralization reaction? an acid a base a salt and water an...
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16. Which of the following reagents would promote non-Markovnikov addition to an alkene? a. 1. Hg(OAc)2, H20/THF, 2. NaBH4 b. KBr/KOH c. H30+ d. 1. BH3, THF 2. H202OH- 17. Halohydrin formation would be achieved by reacting an alkene with which of the following? a. b. c. d. Cl2 and water Water and methanol Os04 H2 and a catalyst 18. Reacting an alkene with 03 followed by Zn/H2O+ will create, a. Two carboxylic acids b. Two ketones c. One...
Question 8 (1 point) Which of the following sets is equal to {1,3}? o {2x + 1 € Z1-3 < x² < 3} {x² + 1 € Z|XE Z and x < 2} . o {x E N | 2x + 1 <2} o {x? EN|0 < 2x +1 < 3} O None of the above Question 7 (1 point) Let Α = {a, b, c} and consider the equivalence relation R = {(a, 1), (b, b), (c, c), (c,...
Question 183 (1 point) Which of the following defines evaporation? O Precipitation landing on vegetation before reaching the surface and draining The net movement of free water molecules away from a wet surface into air that is less saturated phase change of water from a solid crystalline structure (ice) directly to vapor. meteoric water passing through the ground surface into the vadose zone Vegetation releasing water into the atmosphere through small leaf openings called stomata Question 184 (1 point) Which...
i
dont know what im doing. help.
4.3-Precipitation Reactions 3. The following molecular views show reactant solutions for a precipitation reaction (with H,O molecules omitted for clarity). a) Which compound is dissolved in beaker A: KCI, Na2SO4, MgBrz, or Ag2SO.? b) Which compound is dissolved in beaker B: NH,NO3, MgSO Ba(NO3), or CaFZ? c) Write a balanced molecular, total ionic, and net ionic equations for the reaction that occurs when solutions A and B are mixed. d) If 1 L...
Which of the following reactions will undergo an E1 reaction faster? Question 2 Not yet answered Points out of 1.0 P Flag question (a) C (b) (c) (d) Select one: O a. (a) 1-bromopentane O b. (b) E-1-bromo-1-pentene c. (C) 3-methyl-3-bromopentane O d. (d) 3-methyl-3-bromo-1-pentene O e. The two fastest of these will have exactly the same rate constant. True or false: When both an SN2 and an E2 reaction are possible, increasing the temperature of the reaction will speed...
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