Organic Chemistry Questions

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10 Using Boyle s gas law and the following data provide the final pressure Show all your work for full credit 2 pts Initial volume 360 mL initial pressure 2 25 atm final volume 0 5 L
Organic Chemistry
General organic chemistry
10 Using Boyle s gas law and the following data provide the final pressure Show all your work for full credit 2 pts Initial volume 360 mL initial pressure 2 25 atm final volume 0 5 L
When a burning toothpick was inserted into a tube containing a gas the flame was extinguished Which gas was this CO 02 Cl2
Organic Chemistry
Chemistry in Daily Life
When a burning toothpick was inserted into a tube containing a gas the flame was extinguished Which gas was this CO 02 Cl2
Answer the questions in the table below about this molecule OH What is this molecule s chemical formula Note write the simplest molecular chemical formula in which each element symbol appears only once How many CH3 CH and CH groups are in this molecule 0 CH3 CH
Organic Chemistry
General organic chemistry
Answer the questions in the table below about this molecule OH What is this molecule s chemical formula Note write the simplest molecular chemical formula in which each element symbol appears only once How many CH3 CH and CH groups are in this molecule 0 CH3 CH
17 Ni CN 2 Ni CN 2 H CO3 NICO3
Organic Chemistry
General organic chemistry
17 Ni CN 2 Ni CN 2 H CO3 NICO3
3 N N metyl N syklopentylsykloheksanamin N metyl N sykloheksylsyklopentanamin N pentyl N metylheksanamin sykloheksylsyklopentylmetylamin 4 H N N etylanilin N etylheksanamin N etylsykloheksanamin N sykloheksyletanamin N etylsyklopentanamin What is the name of the compound
Organic Chemistry
General organic chemistry
3 N N metyl N syklopentylsykloheksanamin N metyl N sykloheksylsyklopentanamin N pentyl N metylheksanamin sykloheksylsyklopentylmetylamin 4 H N N etylanilin N etylheksanamin N etylsykloheksanamin N sykloheksyletanamin N etylsyklopentanamin What is the name of the compound
Br cl XS Naolt NH3 XS t Buok THE A co HN Colt cor 1103 2 H 02 1 Br Py 2 120 Co aljon
Organic Chemistry
Halogen Derivatives
Br cl XS Naolt NH3 XS t Buok THE A co HN Colt cor 1103 2 H 02 1 Br Py 2 120 Co aljon
Fill up the boxes with the correct compounds 22 points O NH CH3 Last Name First Name List CH NH2
Organic Chemistry
Reactions of benzene
Fill up the boxes with the correct compounds 22 points O NH CH3 Last Name First Name List CH NH2
b Convert the following measurements ml 5 0 ml 25 0 g kg 0 5 mm mm 0 64 ml ml 33 0 mg mg 78 0 mm mm
Organic Chemistry
General organic chemistry
b Convert the following measurements ml 5 0 ml 25 0 g kg 0 5 mm mm 0 64 ml ml 33 0 mg mg 78 0 mm mm
le On the following compound label each of the 8 carbons either as as primary secondary tertiary or quaternary carbons CI
Organic Chemistry
General organic chemistry
le On the following compound label each of the 8 carbons either as as primary secondary tertiary or quaternary carbons CI
1 N 2 dietylaminobutan dietylisobutylamin etyletylisobutylamin N N dietylbutan 2 amin 2 N etylisopropylbutylamin N etyl N isopropyl 2 metylpropan 1 amin sec butyletylpropylamin
Organic Chemistry
Amines
1 N 2 dietylaminobutan dietylisobutylamin etyletylisobutylamin N N dietylbutan 2 amin 2 N etylisopropylbutylamin N etyl N isopropyl 2 metylpropan 1 amin sec butyletylpropylamin
3 Complete the following reaction scheme Give all product s and indicate major or minor and any relevant stereochemistry 60 points 4 points each h 0 1 k H C 1 BH THE 2 H O OH 1 Hg OAC H O 2 NaBH KMnO4 NaOH Cold P4 C MO
Organic Chemistry
Hydrocarbons
3 Complete the following reaction scheme Give all product s and indicate major or minor and any relevant stereochemistry 60 points 4 points each h 0 1 k H C 1 BH THE 2 H O OH 1 Hg OAC H O 2 NaBH KMnO4 NaOH Cold P4 C MO
6 Write a balanced nuclear equation for the Beta decay of a Nitrogen 16 b Potassium 40 7 Write a balanced nuclear equation for the Alpha decay of a Plutonium 244 b Strontium 90 Man of 25
Organic Chemistry
Practical Detection
6 Write a balanced nuclear equation for the Beta decay of a Nitrogen 16 b Potassium 40 7 Write a balanced nuclear equation for the Alpha decay of a Plutonium 244 b Strontium 90 Man of 25
Draw transition state for the rds of the following reactions a Hydroboration of propene b Epoxide formation with MCPA and cis but 2 ene
Organic Chemistry
Reactions of benzene
Draw transition state for the rds of the following reactions a Hydroboration of propene b Epoxide formation with MCPA and cis but 2 ene
lor 1 LDA THF 78 C 2 CH 3 Br 3 NaOH H O it 30 0 11 OH
Organic Chemistry
General organic chemistry
lor 1 LDA THF 78 C 2 CH 3 Br 3 NaOH H O it 30 0 11 OH
7 Add all of the C and H to the following structure 2 pts OH Jo
Organic Chemistry
General organic chemistry
7 Add all of the C and H to the following structure 2 pts OH Jo
11 Provide names for the following structures 4 pts C1 si dr CH3 OM OH 2
Organic Chemistry
General organic chemistry
11 Provide names for the following structures 4 pts C1 si dr CH3 OM OH 2
2 Complete the following nuclear reaction equation by filling in the with a particle that balances the equation A ie B He O A B C 4N C H C e D In
Organic Chemistry
General organic chemistry
2 Complete the following nuclear reaction equation by filling in the with a particle that balances the equation A ie B He O A B C 4N C H C e D In
Which statement or statements below is correct or true OA Enantiomers rotate the plane of polarized light in opposite directions but in the same number of degrees B Plane polarized light is composed of waves that vibrate in only one plane OC Asymmetric carbon atoms are examples of chirality centers which are examples of stereocenters D Mirror images that can be superposed are achiral not chiral OE All of above statements
Organic Chemistry
Polymers
Which statement or statements below is correct or true OA Enantiomers rotate the plane of polarized light in opposite directions but in the same number of degrees B Plane polarized light is composed of waves that vibrate in only one plane OC Asymmetric carbon atoms are examples of chirality centers which are examples of stereocenters D Mirror images that can be superposed are achiral not chiral OE All of above statements
Which of the following will cause a decrease in solubility of solids a Crush the substance into a fine powder b Stirring the solution c Increasing the temperature d Decrease the temperature
Organic Chemistry
General organic chemistry
Which of the following will cause a decrease in solubility of solids a Crush the substance into a fine powder b Stirring the solution c Increasing the temperature d Decrease the temperature
H N CH CN CHCN CHC 0 CH CH CH CH CH3 C O NH b Give the full name of the amino acid at the C terminal end of this tripeptide H H N CH C N CH 6 6 6 CH 0 0 i H CH CH CH3 CH3 CH C CH C O T OH
Organic Chemistry
Biomolecules
H N CH CN CHCN CHC 0 CH CH CH CH CH3 C O NH b Give the full name of the amino acid at the C terminal end of this tripeptide H H N CH C N CH 6 6 6 CH 0 0 i H CH CH CH3 CH3 CH C CH C O T OH
functional groups are shown below 3 pts 0 C OH N C Entha LEC F
Organic Chemistry
General organic chemistry
functional groups are shown below 3 pts 0 C OH N C Entha LEC F
Write the product of the following reaction H Ph Br C H3C H Ph TOH
Organic Chemistry
General organic chemistry
Write the product of the following reaction H Ph Br C H3C H Ph TOH
Synthesize octanal starting with acetylene Show the retrosynthesis and synthesis with all reagents and products at each step
Organic Chemistry
Aldehydes & Ketones
Synthesize octanal starting with acetylene Show the retrosynthesis and synthesis with all reagents and products at each step
Which of the following reactions will produce a CO2 gas NaHCO3 HCI Ca CH3CO2H H O2 MnO2 HNO3 Zn
Organic Chemistry
General organic chemistry
Which of the following reactions will produce a CO2 gas NaHCO3 HCI Ca CH3CO2H H O2 MnO2 HNO3 Zn
Part 2 BCR Answer each question in the space provided 1 If 474 6 g of CuSO SH O molar mass 249 71 g mol is dissolved in enough water to make 4 0 L of solution what is the molarity concentration show your work 2 points
Organic Chemistry
General organic chemistry
Part 2 BCR Answer each question in the space provided 1 If 474 6 g of CuSO SH O molar mass 249 71 g mol is dissolved in enough water to make 4 0 L of solution what is the molarity concentration show your work 2 points
a a b CH CH CO H H CH z H CH CH CH CH CH CO H H CH CO H C C H b CH CO Hd CH CH 7 H
Organic Chemistry
Chemistry in Daily Life
a a b CH CH CO H H CH z H CH CH CH CH CH CO H H CH CO H C C H b CH CO Hd CH CH 7 H
Compare the properties of diastereomers A Same physical properties B Can not determine OC Different physical properties D Same chemical properties None of above
Organic Chemistry
Polymers
Compare the properties of diastereomers A Same physical properties B Can not determine OC Different physical properties D Same chemical properties None of above
A mixture of three gases Ar Ne and He is placed in a 3 00L container at 298 15K and the pressure determined to be 1 46atm What is the number of moles of gas in this container If needed R 0 0821 L atm K mole and 1 000atm 760 0mmHg
Organic Chemistry
Chemistry in Daily Life
A mixture of three gases Ar Ne and He is placed in a 3 00L container at 298 15K and the pressure determined to be 1 46atm What is the number of moles of gas in this container If needed R 0 0821 L atm K mole and 1 000atm 760 0mmHg
2KI Pb NO3 2 2KNO3 Pbl In a beaker 310 grams of potassium iodide KI are reacted with excess lead II nitrate How many grams of lead II iodide Pbl2 v form grams Pblz
Organic Chemistry
Chemistry in Daily Life
2KI Pb NO3 2 2KNO3 Pbl In a beaker 310 grams of potassium iodide KI are reacted with excess lead II nitrate How many grams of lead II iodide Pbl2 v form grams Pblz
The CH3NH2 molecule has 2 central or interior atoms Around carbon the molecular geometry or shape is called A and around nitrogen the molecular geometry is called
Organic Chemistry
General organic chemistry
The CH3NH2 molecule has 2 central or interior atoms Around carbon the molecular geometry or shape is called A and around nitrogen the molecular geometry is called
H C H3C CHO 50 OH CH CH CO H H CH CH CH CO H C C H OH Saturated H C OH H CH CH CH CH CH CO H CH CH 7 CH3 C C CH3 CH CO H H Unsaturated
Organic Chemistry
Biomolecules
H C H3C CHO 50 OH CH CH CO H H CH CH CH CO H C C H OH Saturated H C OH H CH CH CH CH CH CO H CH CH 7 CH3 C C CH3 CH CO H H Unsaturated
Consider the amino acids glycine valine and lysine a How many tripeptides can be formed from these three amino acids if each is used only once in the structure b Using three letter abbreviations for the amino acids give the sequence of each of the possible tripeptides c Draw the structure of the dipeptide that has valine at its N terminal amino acid and glycine as its C terminal amino acid Circle each peptide bond
Organic Chemistry
Biomolecules
Consider the amino acids glycine valine and lysine a How many tripeptides can be formed from these three amino acids if each is used only once in the structure b Using three letter abbreviations for the amino acids give the sequence of each of the possible tripeptides c Draw the structure of the dipeptide that has valine at its N terminal amino acid and glycine as its C terminal amino acid Circle each peptide bond
41 Indicate which represents the higher pressure in each of the following pairs A 487 mmHg or 64 745 Pa E 154 lbs inz or 9 98 atm
Organic Chemistry
General organic chemistry
41 Indicate which represents the higher pressure in each of the following pairs A 487 mmHg or 64 745 Pa E 154 lbs inz or 9 98 atm
During its orbit the Earth s minimum distance from the sun is approximately 148 million kilometers Which of the following correctly represents this number in scientific notation O 1 48 x 108 O 1 48 x 104 1 48 x 10 7 O 148 000 000
Organic Chemistry
Practical Detection
During its orbit the Earth s minimum distance from the sun is approximately 148 million kilometers Which of the following correctly represents this number in scientific notation O 1 48 x 108 O 1 48 x 104 1 48 x 10 7 O 148 000 000
3 Draw separate Lewis electron dot structure for oxygen O and oxide 02 2 pts
Organic Chemistry
General organic chemistry
3 Draw separate Lewis electron dot structure for oxygen O and oxide 02 2 pts
KCIO3 KCI 0 How many moles of O can be produced by letting 12 0 moles of KCIO3 to react
Organic Chemistry
Chemistry in Daily Life
KCIO3 KCI 0 How many moles of O can be produced by letting 12 0 moles of KCIO3 to react
H C H3C CH CH oCO H CH CH 7 H LOH c c OH CH2 CO H H Cis H3C H H CH CH CH CH CH CO H CH CH 7 C C CH3 CH3 H CH CO H Trans
Organic Chemistry
Isomerism
H C H3C CH CH oCO H CH CH 7 H LOH c c OH CH2 CO H H Cis H3C H H CH CH CH CH CH CO H CH CH 7 C C CH3 CH3 H CH CO H Trans
Give the expression for Keq for the reverse reaction All are gases in a closed container C H6 2Cl C H4Cl 2HCl The concentrations for both Cl and HCI are squared due to their coefficients a H O b OH i C H30 j H S r 0 5000 S 5 5 X 105 x 5 5 x 102 dd 0 7100 C C H6 y 0 7000 ee 1 26 x 10 d C H4Cl k HS 1 52 t 3 5 X 10 Z 1 60 x 105 ff 4 901 f HCl e Cl m HX 0 1 u 8 00 x 105 V 1 75 x 10 aa 1 143 x 105 88 7 93 hh 4 942 g H SO3 h HC H30 p 2 q 3 W 1 11 x 10 bb 0 4900 ii 4 957 CC 1 104 x 105
Organic Chemistry
Practical Detection
Give the expression for Keq for the reverse reaction All are gases in a closed container C H6 2Cl C H4Cl 2HCl The concentrations for both Cl and HCI are squared due to their coefficients a H O b OH i C H30 j H S r 0 5000 S 5 5 X 105 x 5 5 x 102 dd 0 7100 C C H6 y 0 7000 ee 1 26 x 10 d C H4Cl k HS 1 52 t 3 5 X 10 Z 1 60 x 105 ff 4 901 f HCl e Cl m HX 0 1 u 8 00 x 105 V 1 75 x 10 aa 1 143 x 105 88 7 93 hh 4 942 g H SO3 h HC H30 p 2 q 3 W 1 11 x 10 bb 0 4900 ii 4 957 CC 1 104 x 105
How many moles and molecules is in 30 g of NaOH hint calculate the MW 1st Show all of your work for full credit 2 pts
Organic Chemistry
Practical Detection
How many moles and molecules is in 30 g of NaOH hint calculate the MW 1st Show all of your work for full credit 2 pts
Use the What is the name of the compound with the formula Zn3 PO4 2 What is the name of the compound with the formula SCI2 What is the formula for manganese II carbonate What is the formula for boron tribromide
Organic Chemistry
General organic chemistry
Use the What is the name of the compound with the formula Zn3 PO4 2 What is the name of the compound with the formula SCI2 What is the formula for manganese II carbonate What is the formula for boron tribromide
Br B Br you observe in a H NMR spectrum of each compound CH3 3CI Br 3 de tafgil s uoy li toigni eirt to finis ud 2 Circle the molecule s that would give a single peak in its H NMR spectrum CH3 H3C N H3C 2C C CH3 2 SHO H3C CI H3C CH3 a napoibyr Sweled 3 What are the approximate intensities of the three lines in the triplet from the H NMR of diethyl ether CH3CH2 2O CI OR AMM HAS HWAMM SHM AMA SHM H3C CH3 A 4 The H NMR spectrum of diethyl ether CH3CH2 2O shows two signals at 3 50 1 10 ppm with relative peak areas in a 1 1 5 ratio respectively Explain this peak area ratio nislax Soupindoet eviloundzeb non 10 evilor pleob s AMM al 2 5 Define homotopic enantiotopic and diastereotopic hydrogens Give an example of a compound that would have diastereotopic hydrogens and label them noilsupe orll ei tsmW 8
Organic Chemistry
General organic chemistry
Br B Br you observe in a H NMR spectrum of each compound CH3 3CI Br 3 de tafgil s uoy li toigni eirt to finis ud 2 Circle the molecule s that would give a single peak in its H NMR spectrum CH3 H3C N H3C 2C C CH3 2 SHO H3C CI H3C CH3 a napoibyr Sweled 3 What are the approximate intensities of the three lines in the triplet from the H NMR of diethyl ether CH3CH2 2O CI OR AMM HAS HWAMM SHM AMA SHM H3C CH3 A 4 The H NMR spectrum of diethyl ether CH3CH2 2O shows two signals at 3 50 1 10 ppm with relative peak areas in a 1 1 5 ratio respectively Explain this peak area ratio nislax Soupindoet eviloundzeb non 10 evilor pleob s AMM al 2 5 Define homotopic enantiotopic and diastereotopic hydrogens Give an example of a compound that would have diastereotopic hydrogens and label them noilsupe orll ei tsmW 8
6 Draw two chair conformations chair flips of the structure given below and circle the more stable chair conformation 10 pts OH
Organic Chemistry
Hydrocarbons
6 Draw two chair conformations chair flips of the structure given below and circle the more stable chair conformation 10 pts OH
9 In an experiment 10 9 g of Scandium was reacted with an excess of bromine to ield 43 5 g of scandium bromide What was the percent yield for this process Sc s Br2 1 ScBr3 s
Organic Chemistry
General organic chemistry
9 In an experiment 10 9 g of Scandium was reacted with an excess of bromine to ield 43 5 g of scandium bromide What was the percent yield for this process Sc s Br2 1 ScBr3 s
What is the name of the linear hydrocarbon with the molecular formula C 12H 26 a heptane Ob decane O c dodecane Od undecane
Organic Chemistry
Polymers
What is the name of the linear hydrocarbon with the molecular formula C 12H 26 a heptane Ob decane O c dodecane Od undecane
Example Balance the following redox equation in a basic solution Zn NO3 Zn NO
Organic Chemistry
Polymers
Example Balance the following redox equation in a basic solution Zn NO3 Zn NO
KCI 02 If 3 45 moles of potassium chloride are produced in the reaction how many moles of oxygen are also produ mol O
Organic Chemistry
General organic chemistry
KCI 02 If 3 45 moles of potassium chloride are produced in the reaction how many moles of oxygen are also produ mol O
What is the IUPAC name of each of the the following NH NH
Organic Chemistry
General organic chemistry
What is the IUPAC name of each of the the following NH NH
10 How many grams in 0 15 moles of copper II phosphate
Organic Chemistry
Chemistry in Daily Life
10 How many grams in 0 15 moles of copper II phosphate
The equilibrium constant expression K equals products over reactants depends on the for the reaction Select one a stoichiometry and mechanism b mechanism c presence of a catalyst d stoichiometry e the initial quantities of reactants and products
Organic Chemistry
Practical Detection
The equilibrium constant expression K equals products over reactants depends on the for the reaction Select one a stoichiometry and mechanism b mechanism c presence of a catalyst d stoichiometry e the initial quantities of reactants and products
What is the conjugate base of HCIO Select one O a H3O O b OH O c 0 O d CIO Oe CIO
Organic Chemistry
Chemistry in Daily Life
What is the conjugate base of HCIO Select one O a H3O O b OH O c 0 O d CIO Oe CIO