Organic Chemistry Questions
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![The following 3 molecules are dissolved in ether and extracted with 3M NaOH Which of the following correctly describes the compositio of the two layers 1 OH 3 O Aqueous 1 Organic 2 3 O Aqueous 3 Organic 1 2 Aqueous 2 Organic 1 3 O Aqueous 1 2 Organic 3 2 NH](https://media.kunduz.com/media/sug-question-candidate/20220619201608261713-4403546.jpg?w=256)
Organic Chemistry
Practical DetectionThe following 3 molecules are dissolved in ether and extracted with 3M NaOH Which of the following correctly describes the compositio of the two layers 1 OH 3 O Aqueous 1 Organic 2 3 O Aqueous 3 Organic 1 2 Aqueous 2 Organic 1 3 O Aqueous 1 2 Organic 3 2 NH
![How many electrons are in the delocalized system of this molecule O 10 06 O 12 8](https://media.kunduz.com/media/sug-question-candidate/20220619230927060495-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryHow many electrons are in the delocalized system of this molecule O 10 06 O 12 8
![39 Ca Indicate the number of protons neutrons and electrons in the following atom 20 protons 19 neutrons 18 electrons O 39 protons 37 neutrons 29 electrons 20 protons 19 neutrons 20 electrons 39 protons 2 neutrons 39 electrons 4 O 20 protons 20 neutrons 18 electrons 20 protons 19 neutrons 22 electrons](https://media.kunduz.com/media/sug-question-candidate/20220621234515169159-3498554.jpg?w=256)
Organic Chemistry
General organic chemistry39 Ca Indicate the number of protons neutrons and electrons in the following atom 20 protons 19 neutrons 18 electrons O 39 protons 37 neutrons 29 electrons 20 protons 19 neutrons 20 electrons 39 protons 2 neutrons 39 electrons 4 O 20 protons 20 neutrons 18 electrons 20 protons 19 neutrons 22 electrons
![Which of the following are homogeneous mixtures Tomato sauce with meatballs A saline solution The air in this room HCI aq](https://media.kunduz.com/media/sug-question-candidate/20220621222223675200-3498554.jpg?w=256)
Organic Chemistry
Chemistry in Daily LifeWhich of the following are homogeneous mixtures Tomato sauce with meatballs A saline solution The air in this room HCI aq
![50 What is the symbol of the element X below 23X2 OV 4 Sn 27](https://media.kunduz.com/media/sug-question-candidate/20220621222950255769-3498554.jpg?w=256)
Organic Chemistry
General organic chemistry50 What is the symbol of the element X below 23X2 OV 4 Sn 27
![Which of the following elements are alkali metals OK Na Mg Ca Ba](https://media.kunduz.com/media/sug-question-candidate/20220619203402350693-3498554.jpg?w=256)
Organic Chemistry
General organic chemistryWhich of the following elements are alkali metals OK Na Mg Ca Ba
![Which reagents best accomplish the following transformation fer O 1 HOCH CH OH H cat 2 CH3CH MgBr excess 3 H3O O 1 NaOH A 2 CH3CH Br excess 3 H3O O 1 H3O A 2 CH3CH C O CH CH3 O 1 CH3CH MgBr excess 2 PCC HO f](https://media.kunduz.com/media/sug-question-candidate/20220619210252362102-4403546.jpg?w=256)
Organic Chemistry
Aldehydes & KetonesWhich reagents best accomplish the following transformation fer O 1 HOCH CH OH H cat 2 CH3CH MgBr excess 3 H3O O 1 NaOH A 2 CH3CH Br excess 3 H3O O 1 H3O A 2 CH3CH C O CH CH3 O 1 CH3CH MgBr excess 2 PCC HO f
![Which of the following solvents can be used with NaNH CH3CH OH CH3OH H O Liquid NH3 CH3CO H](https://media.kunduz.com/media/sug-question-candidate/20220621152519843420-4636096.jpg?w=256)
Organic Chemistry
General organic chemistryWhich of the following solvents can be used with NaNH CH3CH OH CH3OH H O Liquid NH3 CH3CO H
![What is the oxidation number of O in O O 1 0 2 2](https://media.kunduz.com/media/sug-question-candidate/20220620112132117716-4079528.jpg?w=256)
![Complete the following table Atomic Number Z Mass Number A 138 Protons 56 Neutrons Electrons Symbol 54](https://media.kunduz.com/media/sug-question-candidate/20220619203515095883-3498554.jpg?w=256)
Organic Chemistry
General organic chemistryComplete the following table Atomic Number Z Mass Number A 138 Protons 56 Neutrons Electrons Symbol 54
![Which of the following is the correct set of arrows when isopropanol reacts with acetylide in acid base reacti H C H C H C H C H C OH3C H3C OH3C H3C OH3C OH O H O H O H H C H C H C H C H C H3C H C H3C MC](https://media.kunduz.com/media/sug-question-candidate/20220619211920168732-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhich of the following is the correct set of arrows when isopropanol reacts with acetylide in acid base reacti H C H C H C H C H C OH3C H3C OH3C H3C OH3C OH O H O H O H H C H C H C H C H C H3C H C H3C MC
![Consider the compound but 1 yne What does the yne tell us about the structure The compound has 4 triple bonds The compound has at least one triple bond The compound has a double bond between carbon 1 and 2 The compound is an alkyne so it has single bonds only](https://media.kunduz.com/media/sug-question-candidate/20220620112010316873-4079528.jpg?w=256)
Organic Chemistry
General organic chemistryConsider the compound but 1 yne What does the yne tell us about the structure The compound has 4 triple bonds The compound has at least one triple bond The compound has a double bond between carbon 1 and 2 The compound is an alkyne so it has single bonds only
![Which of the following elements are transition metals N F Ca Sn](https://media.kunduz.com/media/sug-question-candidate/20220619203414850435-3498554.jpg?w=256)
Organic Chemistry
Chemistry in Daily LifeWhich of the following elements are transition metals N F Ca Sn
![Which best represents the protonation state of the amino acid lysine at pH 7 O H3N H3N H N NH3 NH3 NH NH OH OH](https://media.kunduz.com/media/sug-question-candidate/20220619230807934639-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhich best represents the protonation state of the amino acid lysine at pH 7 O H3N H3N H N NH3 NH3 NH NH OH OH
![Which of the following solvents can be used with CH3 3CLIE CH3CH OH CH3OH H O Liquid NH3 CH3 CH2 4CH3](https://media.kunduz.com/media/sug-question-candidate/20220621152550645241-4636096.jpg?w=256)
Organic Chemistry
General organic chemistryWhich of the following solvents can be used with CH3 3CLIE CH3CH OH CH3OH H O Liquid NH3 CH3 CH2 4CH3
![What is the major product of this reaction HO HO OH OH H LOH](https://media.kunduz.com/media/sug-question-candidate/20220619231038201242-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhat is the major product of this reaction HO HO OH OH H LOH
![How many electrons can the n 3 energy level contain Question 54](https://media.kunduz.com/media/sug-question-candidate/20220619192847579604-3498554.jpg?w=256)
Organic Chemistry
Chemistry in Daily LifeHow many electrons can the n 3 energy level contain Question 54
![Which of the following elements are non metals Na ON C Co](https://media.kunduz.com/media/sug-question-candidate/20220619192944739283-3498554.jpg?w=256)
![Which structure is consistent with this 13C NMR spectrum O 140 CH3 CI 120 100 80 PPM 60 20](https://media.kunduz.com/media/sug-question-candidate/20220619213516494510-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhich structure is consistent with this 13C NMR spectrum O 140 CH3 CI 120 100 80 PPM 60 20
![What is a correct mechanistic step of this reaction Br O Br Br Br Br SCH3 Na Na CH3SH SCH3 SCH3 Na Br Br e Br SCH3 NaBr](https://media.kunduz.com/media/sug-question-candidate/20220619220356584639-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhat is a correct mechanistic step of this reaction Br O Br Br Br Br SCH3 Na Na CH3SH SCH3 SCH3 Na Br Br e Br SCH3 NaBr
![When a nonvolatile solute is added to a volatile solvent the solution vapor pressure the boiling point and the osmotic pressure across a semipermeable membrane 117 the freezing point decreases increases decreases decreases increases increases decreases increases increases decreases increases decreases decreases decreases increases decreases decreases increases decreases increases](https://media.kunduz.com/media/sug-question-candidate/20220620194743578773-4426152.jpg?w=256)
Organic Chemistry
Chemistry in Daily LifeWhen a nonvolatile solute is added to a volatile solvent the solution vapor pressure the boiling point and the osmotic pressure across a semipermeable membrane 117 the freezing point decreases increases decreases decreases increases increases decreases increases increases decreases increases decreases decreases decreases increases decreases decreases increases decreases increases
![Which solution should have the highest vapor pressure O 0 10 M sucrose C12H22011 0 25 M sucrose C12H22011 0 50 M Sucrose CroHooQul](https://media.kunduz.com/media/sug-question-candidate/20220620194851500080-4426152.jpg?w=256)
Organic Chemistry
Chemistry in Daily LifeWhich solution should have the highest vapor pressure O 0 10 M sucrose C12H22011 0 25 M sucrose C12H22011 0 50 M Sucrose CroHooQul
![Balance the below chemical reaction using whole number coefficients What is the coefficient in front of oxygen C8H18 O g CO g H O g O a 2 b 1 O c 3 O d 25 Oe 12](https://media.kunduz.com/media/sug-question-candidate/20220620222341044681-4426152.jpg?w=256)
Organic Chemistry
General organic chemistryBalance the below chemical reaction using whole number coefficients What is the coefficient in front of oxygen C8H18 O g CO g H O g O a 2 b 1 O c 3 O d 25 Oe 12
![Which of the following can impact the rate of reaction select all that apply Doubling the concentration of the reactants Adding a Catalyst Lowering the reaction temperature Doubling the reaction volume of an aqueous phase reaction all liquids Doubling the reaction volume of a gas phase reaction](https://media.kunduz.com/media/sug-question-candidate/20220620222357824331-4426152.jpg?w=256)
Organic Chemistry
Practical DetectionWhich of the following can impact the rate of reaction select all that apply Doubling the concentration of the reactants Adding a Catalyst Lowering the reaction temperature Doubling the reaction volume of an aqueous phase reaction all liquids Doubling the reaction volume of a gas phase reaction
![What are the absolute configurations of the two chiral centers of the following molecul Sel NH OI R and II R OI S and II S O I S and II R OI R and II S](https://media.kunduz.com/media/sug-question-candidate/20220619200132506785-4403546.jpg?w=256)
Organic Chemistry
IsomerismWhat are the absolute configurations of the two chiral centers of the following molecul Sel NH OI R and II R OI S and II S O I S and II R OI R and II S
![What is are all of the possible product s of dehydrohalogenation of trans 1 bromo 2 ethylcyclohexa Et Br PO m NaOMe](https://media.kunduz.com/media/sug-question-candidate/20220619210459861254-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhat is are all of the possible product s of dehydrohalogenation of trans 1 bromo 2 ethylcyclohexa Et Br PO m NaOMe
![Which structure is a reasonable intermediate for this alcoholysis reactio olma OH O O Lov OH OH Otr OH OH OH OH OH H OH OH](https://media.kunduz.com/media/sug-question-candidate/20220619210539502718-4403546.jpg?w=256)
Organic Chemistry
Carboxylic acidsWhich structure is a reasonable intermediate for this alcoholysis reactio olma OH O O Lov OH OH Otr OH OH OH OH OH H OH OH
![Which substance will be most soluble in C6H6 O a NH3 Ob CS c SO](https://media.kunduz.com/media/sug-question-candidate/20220620190046266301-4426152.jpg?w=256)
Organic Chemistry
General organic chemistryWhich substance will be most soluble in C6H6 O a NH3 Ob CS c SO
![What is are the major product s of this reaction H CN O H CN CN CN CN CN CN CN ON Heat Enantiomer](https://media.kunduz.com/media/sug-question-candidate/20220619231012021746-4403546.jpg?w=256)
Organic Chemistry
HydrocarbonsWhat is are the major product s of this reaction H CN O H CN CN CN CN CN CN CN ON Heat Enantiomer
![What is the oxidation number of Mn in MnO4 6 7 7 6](https://media.kunduz.com/media/sug-question-candidate/20220620111647174924-4079528.jpg?w=256)
![Which compound is optically active HO BI Br J CI CI](https://media.kunduz.com/media/sug-question-candidate/20220619220336001290-4403546.jpg?w=256)
![Which aryl halide reacts the fastest with NaOEt Br Et Br OEt Br Br](https://media.kunduz.com/media/sug-question-candidate/20220619201453681079-4403546.jpg?w=256)
Organic Chemistry
Reactions of benzeneWhich aryl halide reacts the fastest with NaOEt Br Et Br OEt Br Br
![Based on the rules we learned in class which of the following sets of quantum numbers written in the order n I m ms represent the last electron in ground state aluminum 3 1 1 1 2 4 2 1 1 2 3 2 1 1 2 2 1 0 1 2](https://media.kunduz.com/media/sug-question-candidate/20220620111635331714-4079528.jpg?w=256)
Organic Chemistry
General organic chemistryBased on the rules we learned in class which of the following sets of quantum numbers written in the order n I m ms represent the last electron in ground state aluminum 3 1 1 1 2 4 2 1 1 2 3 2 1 1 2 2 1 0 1 2
![Which choice is an example of a nucleophilic acyl substitution CN d Br CN Br NH H CONa A SNa NH pH 4 5 CN OCH 3 CN](https://media.kunduz.com/media/sug-question-candidate/20220619230950382892-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhich choice is an example of a nucleophilic acyl substitution CN d Br CN Br NH H CONa A SNa NH pH 4 5 CN OCH 3 CN
![Polyethylene is a synthetic polymer or plastic with many uses 1 35 g of a polyethylene sample was dissolved in enough benzene to make 100 mL of solution and the osmotic pressure was found to be 1 86 torr at 25 C What is the approximate molar mass of the polyethylene 177 g mol O1 13 x 104 g mol 7 40 10 g mol 1 24 x 105 g mol 1 35 x 105 g mol](https://media.kunduz.com/media/sug-question-candidate/20220620194839640134-4426152.jpg?w=256)
Organic Chemistry
Chemistry in Daily LifePolyethylene is a synthetic polymer or plastic with many uses 1 35 g of a polyethylene sample was dissolved in enough benzene to make 100 mL of solution and the osmotic pressure was found to be 1 86 torr at 25 C What is the approximate molar mass of the polyethylene 177 g mol O1 13 x 104 g mol 7 40 10 g mol 1 24 x 105 g mol 1 35 x 105 g mol
![Which solution should have the lowest vapor pressure 0 10 M C 2H22011 0 10 M KNO3 O 0 10 M Ca](https://media.kunduz.com/media/sug-question-candidate/20220620201545268593-4426152.jpg?w=256)
Organic Chemistry
General organic chemistryWhich solution should have the lowest vapor pressure 0 10 M C 2H22011 0 10 M KNO3 O 0 10 M Ca
![What is the major product of this reaction Br CH3 H CH H3CH C Ph O O O O H C H CHC H CH C Ph H C H CH C H CH3 Ph CH3 t BUOK I BUOH CH3 Ph Ph H C H CH C CH3](https://media.kunduz.com/media/sug-question-candidate/20220619230701074213-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhat is the major product of this reaction Br CH3 H CH H3CH C Ph O O O O H C H CHC H CH C Ph H C H CH C H CH3 Ph CH3 t BUOK I BUOH CH3 Ph Ph H C H CH C CH3
![Which solid will be least soluble in water O CaSO4 FePO4](https://media.kunduz.com/media/sug-question-candidate/20220620190119841359-4426152.jpg?w=256)
![CO2 g 393 5 kJ mol H O 1 285 8 kJ mol AH kJ mol An error has been detected in your answer Check for typos miscalculations etc before submitting your answer Submit Answer Review Topics The standard enthalpy of combustion of ethene gas C H g is 1411 1 kJ mol at 298 K Given the following enthalpies of formation calculate AH for C H4 9 Retry Entire Groun 9 more group attem Slee iclas Blackboard T References 2](https://media.kunduz.com/media/sug-question-candidate/20220311060329582626-3586220.jpg?w=256)
Organic Chemistry
Chemistry in Daily LifeCO2 g 393 5 kJ mol H O 1 285 8 kJ mol AH kJ mol An error has been detected in your answer Check for typos miscalculations etc before submitting your answer Submit Answer Review Topics The standard enthalpy of combustion of ethene gas C H g is 1411 1 kJ mol at 298 K Given the following enthalpies of formation calculate AH for C H4 9 Retry Entire Groun 9 more group attem Slee iclas Blackboard T References 2
![The appropriate IUPAC name for the compound shown below is Br O E 3 bromo 4 5 dimethylhept 3 ene O O Z 3 bromo 4 5 dimethylhept 3 ene Z 1 bromo 1 ethyl 2 3 dimethylpent 1 ene O E 1 bromo 1 ethyl 2 3 dimethylpent 1 ene](https://media.kunduz.com/media/sug-question-candidate/20220619201544422246-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryThe appropriate IUPAC name for the compound shown below is Br O E 3 bromo 4 5 dimethylhept 3 ene O O Z 3 bromo 4 5 dimethylhept 3 ene Z 1 bromo 1 ethyl 2 3 dimethylpent 1 ene O E 1 bromo 1 ethyl 2 3 dimethylpent 1 ene
![60 40 20 O of base Tid 40 CI Br 80 CI Br 120 M 170 172 160 m e 200](https://media.kunduz.com/media/sug-question-candidate/20220619210632743167-4403546.jpg?w=256)
Organic Chemistry
General organic chemistry60 40 20 O of base Tid 40 CI Br 80 CI Br 120 M 170 172 160 m e 200
![What are the strongest solvent solute attractive forces that exist in a solution of CH CCH in water Ohydrogen bonds Oion dipole forces O London dispersion forces O covalent bonds Odipole dipole forces](https://media.kunduz.com/media/sug-question-candidate/20220620190105259341-4426152.jpg?w=256)
Organic Chemistry
General organic chemistryWhat are the strongest solvent solute attractive forces that exist in a solution of CH CCH in water Ohydrogen bonds Oion dipole forces O London dispersion forces O covalent bonds Odipole dipole forces
![A particular liquor is 28 0 ethanol CH3CH OH by volume Calculate the concentration of ethanol in molality The density of ethanol is 0 789 g mL the density of water is 0 998 g mL assume the volumes are additive Your Answer m m](https://media.kunduz.com/media/sug-question-candidate/20220619031203789596-4426152.jpg?w=256)
Organic Chemistry
Alcohols and PhenolsA particular liquor is 28 0 ethanol CH3CH OH by volume Calculate the concentration of ethanol in molality The density of ethanol is 0 789 g mL the density of water is 0 998 g mL assume the volumes are additive Your Answer m m
![Question 52 How man ons can the 2 energy level contain](https://media.kunduz.com/media/sug-question-candidate/20220619192902337665-3498554.jpg?w=256)
![What is the atomic number for 129 531](https://media.kunduz.com/media/sug-question-candidate/20220619213351324594-3498554.jpg?w=256)
![Which is a resonance contributor for this molecule OO O HC CH C CH](https://media.kunduz.com/media/sug-question-candidate/20220619203114415560-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhich is a resonance contributor for this molecule OO O HC CH C CH
![What is a major product of this reaction O SO3H SO3H O OH Fuming H SO4](https://media.kunduz.com/media/sug-question-candidate/20220619195820683996-4403546.jpg?w=256)
Organic Chemistry
Reactions of benzeneWhat is a major product of this reaction O SO3H SO3H O OH Fuming H SO4
![What is the greatest contributing resonance structure for the arenium ion intermediate in this reaction N N NO NO NO HNO3 H SO4](https://media.kunduz.com/media/sug-question-candidate/20220619195707024317-4403546.jpg?w=256)
Organic Chemistry
General organic chemistryWhat is the greatest contributing resonance structure for the arenium ion intermediate in this reaction N N NO NO NO HNO3 H SO4
![What is the symbol for the following element Atomic Number Mass Number Z A blank1 52 O 130 Te2 130p 2 130p 2 O 130 Te2 Protons Neutrons Electrons blank2 78 54](https://media.kunduz.com/media/sug-question-candidate/20220619203541153394-3498554.jpg?w=256)
Organic Chemistry
General organic chemistryWhat is the symbol for the following element Atomic Number Mass Number Z A blank1 52 O 130 Te2 130p 2 130p 2 O 130 Te2 Protons Neutrons Electrons blank2 78 54
![Which of the following molecules is an Aldopentose O O HO HO CH OH FO H H CH OH CHO H HO H OH HO H H OH CH OH LO CHO H HO H OH HO H CH OH CH OH To HO H 11](https://media.kunduz.com/media/sug-question-candidate/20220619203243626333-4403546.jpg?w=256)
Organic Chemistry
BiomoleculesWhich of the following molecules is an Aldopentose O O HO HO CH OH FO H H CH OH CHO H HO H OH HO H H OH CH OH LO CHO H HO H OH HO H CH OH CH OH To HO H 11