Organic Chemistry Questions
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Organic Chemistry
General organic chemistryIn a titration what is the name for the theoretical point when the number of moles of H equals the number of moles of OH O neutralization point O equivalance point O end point titration point Which of the following ions would not make a precipitate with the CO3 ion Na OPb Mg O Al
Organic Chemistry
BiomoleculesCung Hyu H H t Each Carbon has 4 BUNDS NH H sil OH H HH H H Paclitaxel Taxol C HO 0 H H H until OH H O H H
Organic Chemistry
General organic chemistryWhich of the following electromagnetic radiation has the lowest energy Ogamma rays Ovisible light Ox rays infrared light
Organic Chemistry
Alcohols and Phenols11 15 Propose an efficient synthesis for each of the following transformations a b OH OH y
Organic Chemistry
Hydrocarbons7 Draw the major product of the following reactions Indicate in the boxes whether the reaction proceeded via SN1 SN2 E1 or E2 17 points a b Ph H3C d H H f Cl Br H3C H H CH3 Ph Br CH3 OH Br OTS Br OMS CI NaNH NH3 1 CH3OH reaction is regioselective NaOMe MeOH Draw in the box the Newman projection of the reactive conformer 1 Nal acetone 2 NaN3 DMSO EtOH A t BuOK t BuOH Type of reaction
Organic Chemistry
HydrocarbonsPredict the position of the equilibrium for the reaction and provide a brief explanation The acidic protons are shown in red H A B C D Reverse direction is favored because carbon is less electronegative making C the weaker base and A the stronger acid Forward direction is favored because nitrogen is more electronegative making B the weaker base and D the stronger a Forward direction is favored because carbon is less electronegative making C the weaker base and A the stronger acid Reverse direction is favored because nitrogen is more electronegative making B the weaker base and D the stronger ac
Organic Chemistry
General organic chemistry11 11 Identify reagents that can be used to achieve each of the fol lowing transformations Br you OH OH Br x LOH Br you 4 OH OH
Organic Chemistry
Practical DetectionIn an exothermic reaction the energy stored in the chemical bonds of the reactants is ge equal to the energy stored in the bonds of the products greater than the energy stored in the bonds of the products less than the energy stored in the bonds of the products less than the heat released
Organic Chemistry
General organic chemistryRACTICE How would the following events affect the rate of the following general reaction Increase reaction rate A BC ABC Decrease reaction rate increasing the temperature increasing the concentration of BC
Organic Chemistry
General organic chemistryWhich of the following is NOT a cyclic molecule x 1 C6H6 2 C2 H4 CLU
Organic Chemistry
General organic chemistryAlCl3 AgNO3 Al NO3 AgCl If 30 7 g of aluminum chloride is reacted with 90 5 g of silver nitrate which reactant is limiting and which is excess What mass of the excess reactant is used in the reaction and what mass of the excess reactant remains after the reaction
Organic Chemistry
Alcohols and PhenolsDraw the alcohol needed to produce the alkyl chloride under the conditions shown Draw Alcohol Reactant CI SOCI2 pyridine
Organic Chemistry
Halogen DerivativesMatch the correct reagent that will generate the products shown as the major product a b c d e Drag and drop options on the right hand side to reorder and match with items on the left Reordering may cause items on the right hand side to swap positions tBuOK tBuOH Nal H O MeOH NaCN acetone H O 1 1 NaOH H O H O HCN Nal acetone OH X
Organic Chemistry
General organic chemistry4 Compound A reacted with the acetylide B to give product C The reaction rate observed was 5 10 4 M s when the concentrations of A and B were 0 25 M and 0 2 M respectively Br Na Ph
Organic Chemistry
General organic chemistryDraw the possible 1 2 and 1 4 addition products formed when this diene reacts with Cl2 Do not include any byproducts formed Cl2 1 equiv Draw 1 2 Product
Organic Chemistry
HydrocarbonsDraw the product that could be formed when 1 3 butadiene reacts with maleic anhydride Include any relevant stereochemistry 1 O 00 Q
Organic Chemistry
BiomoleculesHow many of the following compounds are steroids HO Im H H C CH H C D H CH Ill H H H Q H C H OH H CH H CH H H H C O CH I B H CH OH E OH CH
Organic Chemistry
General organic chemistryBr benzophenone Mg Et 0 anhydrous OH OMgBr o o o of cfo MgBr MgBr Et 0 anhydrous HCI tripheny Imethanol
Organic Chemistry
Halogen Derivativesreage reactions to proceed the most efficiently 1 2 3 4 Drag and drop options on the right hand side to reorder and match with items on the left Reordering may cause items on the right hand side to swap positions 2 3 Reactions Br Reagent C Reagent H Reagent E Reagent F Reagent G Reagent B Reagent D Reagent A OMe Tott wing OH
Organic Chemistry
IsomerismDraw the major and minor product that could be formed when 1 chloro 1 3 butadiene reacts with acrylonitrile Include any relevant stereochemical configurations CI CN P Draw Major Product Q I
Organic Chemistry
Reactions of benzeneWrite the major product for each of the reactions below a b Br Br NaNH DMSO CH3CHBRCHBRCH3 NaNH2 DMSO c Why reaction a does not produce the same functional group produced in h 2
Organic Chemistry
General organic chemistryChoose the correct name for the molecule CH C CH CH CH CH CH3 1 4 ethyl 4 pentene 2 2 propyl 1 butene 3 2 ethyl 1 pentene 4 2 propyl 2 pentyne
Organic Chemistry
General organic chemistryGive the correct name for the compound CH3 1 CH3 C CH CH CH CH3 CH3
Organic Chemistry
Alcohols and PhenolsWhich alcohol would undergo a dehydration reaction the fastest when treated with concentrated H2SO4 A A B B C C D D E E OH OH B OH OH LL F OH
Organic Chemistry
General organic chemistryIdentify the element that corresponds to the orbital diagram O Ne O Si OC O AI Create the orbital diagram for sodium Energy 3p 3s 2p 25 1s S 000 Answer Bank 1s 2s 2p 3s 3p 3p 3s 2p 2s 1s
Organic Chemistry
HydrocarbonsBa H H O O Ortalama Ba Enerjisi kJ mol 436 498 H g O g H O s oldu una g re O H ba enerjisi ka kJ mol d r AH 286 kJ m
Organic Chemistry
Halogen DerivativesHow many different E1 products could be formed in the given molecule Hint include E and Z isomers A 1 B 2 C 3 D 4 Br
Organic Chemistry
General organic chemistryFor each pair of alkyl halides select the one that will undergo an E1 reaction more rapidly pair 1 pair 2 pair 3 pair 4 Br Br Br Br VS VS VS VS Br Br Br Br
Organic Chemistry
HydrocarbonsWhich Newman projection correctly depicts the conformation that would produce Z 3 methylpent 2 ene under strictly E2 conditions A B C D H C H Br 1 11 2 3 4 H CH3 CH CH3 Newman Projection H CH C H Br H 21 CH CH E2 H H Br CH 31 CH CH3 CH3 H H C H Br H AY CH CH3 CH3
Organic Chemistry
Halogen DerivativesCompound A can be converted into compound G when treated with H O Starting with compound A and ending with Compound G sort the intermediates in the correct order according to the reaction mechanism Note treat resonance structures as individual steps that lead to your product Drag and drop options into correct order and submit Compound A Compound B Compound G Compound F Compound D Compound C Compound E OH Br xxxx G OH
Organic Chemistry
Reactions of benzeneSynthesize produce each of the following Show reagents and products at each step reaction Do not write mechanisms Br Br H C CH CH Br g 00 00
Organic Chemistry
IsomerismWhy is the statement A natural product having a p 40 3 has been isolated and purified either of the following substances could be this natural product false HO HO OH CO H OH or HO HQ H HO H H H H H OH
Organic Chemistry
General organic chemistryWhich one s is are chiral Upload the answer with the model of the chiral molecule or one of them if more than one 3
Organic Chemistry
Chemistry in Daily LifeFor each chemical reaction in the table below decide whether the highlighted reactant is a Br nsted Lowry acid a Br nsted Lowry base or neither reaction NH3 aq H O 1 NH aq OH aq NH aq H O NH aq H O aq HI aq H O I aq H O aq I aq H O 1 HI aq OH aq highlighted reactant Bronsted Lowry Bronsted Lowry acid base O O O neither O O
Organic Chemistry
EthersDilute aqueous sulfuric acid is generally used to promote acid catalyzed hydration because these conditions have excess reactant and therefore drive the reaction towards products O these conditions have excess product and therefore drive the reaction towards products O these conditions remove product and therefore drive the reaction towards products O these conditions remove reactant and therefore drive the reaction towards products
Organic Chemistry
General organic chemistryalculate the change in enthalpy AH for the quation below O2 g O Oxygen O cuestes 6141715709 0 0 0 0 O F O Si 203 g O P O CI 0 1 O218 kJ mol O 140 kJ mol O 218 kJ mol O1136 kJ mol 140 498 160 370 350 205 200 Ozone 10
Organic Chemistry
Practical DetectionA person mixes 1mol of magnesium metal with 1 5mol of hydrochloric acid HCI The reaction below occurs What is the limiting reactant for th reaction Mg s 2HCl aq MgCl2 aq H2 g Hydrochloric Acid HCI Magnesium Chloride Magnesium Hydrogen Gas There is no limiting reactant here
Organic Chemistry
General organic chemistryWrite and the major product for each of the following reactions Are these reactions stereospecific i e the stereochemistry of teh products depends on the stereochemistry of the reactants Explain Are the reactions Stereoselective I e one stereoisomer is produced preferentially Explain H3C H C Br Br CH3SNa acetone CH3SNa acetone
Organic Chemistry
General organic chemistryWhich of these graphs shows an endothermic reaction A B Energy Sway O OB OA Reartas OD Produts O Both A and D are correct OBoth B and C are correct Pradiati Reacters Apartavis
Organic Chemistry
Halogen DerivativesWrite and name the main product s for each of the following reactions Are these reactions stereospecific Explain Are the reactions stereoselective Explain Br Br MeOH MeOH
Organic Chemistry
Alcohols and PhenolsGive the major product in each of the following HO CH3 H3C CH3 CH3 H SO4 dehydration
Organic Chemistry
General organic chemistryWhat epoxide is expected to be the major product from the following reaction sequence 1 H Lindlar s Catalyst 2 Cl H O 3 NaOH 2000 K OI and II None of the choices are correct only I O only II O III OO
Organic Chemistry
Practical DetectionWhich chemical equation best represents the particle model below Is O 3P s 402 g P O5 s O 2P205 s 4P s 502 g O2P s 202 g P O5 s O4P s 502 g 2P205 s OP s O2 g P2O5 s
Organic Chemistry
General organic chemistryHow many total valence electrons are in poy 3 Draw it s Stick Structure Number of bonding pairs Number of nonbonding Pairs Draw it s 3D Structure
Organic Chemistry
General organic chemistryM Ch What is the name of the following compound CH3 H3C C CH CH3 CH O 3 3 dimethylbutane O 2 2 dimethylbutane O 2 2 dimethylpentane O 2 2 methylpentane