Organic Chemistry Questions
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Organic Chemistry
General organic chemistry8 Identify the alkyl groups on the long continuous carbon chain drawn below 3 pts T 3
Organic Chemistry
Aldehydes & Ketones7 Circle and name the functional groups in the following molecule 12 Stike H
Organic Chemistry
Practical Detection21 Calculate the volume of 25 g of O that has a pressure of 1 8 atm at 50 C 2 pts
Organic Chemistry
PolymersA mixture of equal amounts of two enantiomers OA Racemic mixture OB Optically inactive C Optically active O D Both A and B E Both A and C
Organic Chemistry
General organic chemistryA student performed the experiment Titration of Acetic Acid in Vinegar However he accidentally over titrated added more NaOH beyond the stoichiometric or equivalence point What effect would this have on his results The calculated concentration of acetic acid would appear higher or lower than the actual value depending on how much he over titrated The calculated concentration of acetic acid would appear lower than the actual value The calculated concentration of acetic acid would not be affected or would just be the same as the actual value The calculated concentration of acetic acid would appear higher than the actual value
Organic Chemistry
BiomoleculesH The monosaccharide a is a ketose is produced shown here b is a D sugar c is an aldose H HO H MO CHO OH OH 4
Organic Chemistry
Chemistry in Daily Lifecide if each of the following molecules is chiral or achiral CH CH CH CHOCH CH CH COCH 8 3 CH CH CH CH CH CH CH CH CH CH CHCH OH HOH OH V
Organic Chemistry
General organic chemistry13 When the following equation is balanced the coefficient for HCL is FeCl3 aq H2S g Fe2S3 s HCl aq 6 98 3 2 FeCl3 3H S 2 F S 6HCl aq Coefficient for Hll is 6
Organic Chemistry
Polymersa Consider the molecules below in terms of a condensation polymerization i Predict the products 2 and show the mechanism 3 steps for the reaction between the two molecules below ii Clearly label the Electrophile and Nucleophile in each step where appropriate iii Name each elementary step HO OH O 0
Organic Chemistry
Hydrocarbons2 CsH14 19 O2 12 COz 14 H2O Hexane C6H14 burns in a combustion reaction How many moles of oxygen are needed for the complete combustion of 9 88 X 10 1 molecules of hexane O 3 49 mol O 0 156 mol O4 99 mol O 0 0017 mol
Organic Chemistry
Practical Detection5 Board A cylinder filled with chlorine gas has a radius of 650 cm and a height of 10 m What is the cylinders mass 1 Point O4 138 9 Kg 1 281 7 Kg 128 170 Kg 413 890 Ka
Organic Chemistry
General organic chemistryWrite out the electronic configuration of Calcium Label which electrons are inner shell vs valence shell electrons 2 pts
Organic Chemistry
Chemistry in Daily LifeThe pressure of a sample of nitrogen gas N2 is 3 40atm at 314K What will be the new temperature in Kelvin If the pressure is changed to 912mmHg If needed R 0 0821 L atm K mole and 1 000atm 760 0mmHg
Organic Chemistry
HydrocarbonsHow many hydrogen atoms are there in heptane the linear hydrocarbon with seven carbon atoms a 20 O b 16 c 22 d 18
Organic Chemistry
Halogen Derivatives15 points 3 points each Q la Rank the following substrates from most 1 to least reactive 4 in an SN2 reaction Explain the reason for your choice A Order Br Explanation Order B A Br Br B C 1b Rank the following substrates from most 1 to least reactive 3 in an SN1 reaction Explain the reason for your choice Br Br CH3 C D Br
Organic Chemistry
General organic chemistry1 Balance the following reactions in an acidic solution Identify the oxidizing and the reducing agent for each reaction Cu NO3 Cu NO
Organic Chemistry
Chemistry in Daily Life2KCIO3 2KCI 30 How many moles of KCIO3 are needed to produce 1 250 liters of oxygen O
Organic Chemistry
PolymersIdentify the constitutional isomer with the molecular formula C7H14 H3C CH3 O a Only II O b Only I O c I II and III O d Only I and II CH3 H3C CH3 CH3 CH3 CH3
Organic Chemistry
General organic chemistryHow would the graph below change if a catalyst were added to the reaction Potential Energy 1 2 Reaction Progress 3 O A Part 2 would be lower and parts 1 and 3 would be unchanged B Parts 1 and 3 would be higher and part 2 would be unchanged C Parts 1 2 and 3 would be lower D Part 1 would be higher and part 2 would be lower
Organic Chemistry
Practical DetectionOf the following equilibria only decrease in volume Select one O a N g 3H g 2NH3 g O b 2503 g 25O2 g O2 g O c H g Cl g 2HCl g O d 4Fe s 302 g 2Fe O3 s will sh
Organic Chemistry
General organic chemistryPredict the product of the following reactions NH Chose the correct product of the following reaction OH H O OH HBr H SO NH B i OH O H Br l H O Br
Organic Chemistry
General organic chemistryFor the reaction 1A 2B a plot of 1 A vs time is linear with a slope of 0 761 M s1 This reaction is initiated with A o 2 621 M and B 0 000 M What is the concentration of B after 31 9 seconds Please report your answer to 3 decimal places
Organic Chemistry
BiomoleculesA 40 0 glucose solution is available How many mL of this solution is needed to make 24 0 glucose solution with a total volume of 74 0 mL Your Answer
Organic Chemistry
General organic chemistryExample Balance the following redox equation in an acidic solution Ag NO3 Ag NO
Organic Chemistry
General organic chemistryOf the following which is the strongest acid Select one O a H O O b H S O c HBr O d H Se Oe NH3
Organic Chemistry
General organic chemistrya b 3 Complete the following reaction scheme Give all product s and indicate major or minor and any relevant stereochemistry 60 points 4 points each d Major 8 4 d Br heat MUK Major Minor Br NOE beat NaCN L DMF dil HCI q F e J Cl H SO H PO4 heat CN Minor YETUD Gel racemic
Organic Chemistry
General organic chemistryFind the percent by volume of 24 5 mL of ethanol dissolved in a 53 75 mL of solution O 25 5 O 45 6 31 3 54 8
Organic Chemistry
General organic chemistry2Fe O 2FeO In the above synthesis reaction 8 00 moles of iron Fe are reacted to produce iron 11 oxide FeO How many grams of iron II oxide are formed grams FeO
Organic Chemistry
Chemistry in Daily LifeBiology Which of the following is NOT true of carbon Group of answer choices it forms the backbone of macromolecules within the cell it can form polar covalent bonds it is highly electronegative it can form non polar covalent bonds
Organic Chemistry
General organic chemistry7 In the Uniform Real Estate Contract the borrower ho O a legal title b full title c no title d equitable title
Organic Chemistry
General organic chemistryArrange these three compounds in order of increasing ability to form intermolecular hydrogen bonds C H5SH C H5NH and C H5OH OC H5SH C H5OH C H5NH OC H5OH C H5NH C H5SH OC H5NH C H5OH C H5SH OC H5SH C H5NH C H5OH
Organic Chemistry
General organic chemistryThe following reaction will undergo a substitution reaction in excess acid Answer the questions that follow a The ether shown above has two carbon groups Which carbon will undergo an Sn2 reaction Select b Which reaction c Describ Select excess HBr heat Select The right alpha carbon The left alpha carbon Neither alpha carbons Both alpha carbons
Organic Chemistry
HydrocarbonsTreatment with O3 followed by dimethyl sulfide DMS converts a trans disubstituted alkene into a n primary alcohol and aldehyde allylic alcohol and ketone secondary alcohol and carbon dioxide tertiary alcohol and carboxylic acid aldehyde and aldehyde ketone and ketone aldehyde and carbon dioxide 4
Organic Chemistry
Alcohols and Phenolscatalytic acid in water O Option 1 of et upon hydrolysis with g O Option 2
Organic Chemistry
General organic chemistryIgnoring the possibility of stereo isomers what is the IUPAC name of the following substance CH3 CH CH CHCCH3 CH3
Organic Chemistry
General organic chemistryThe total number of valence electrons in the molecule PH3 is and its molecular geometry or shape is called A A
Organic Chemistry
General organic chemistryDraw the following intermediates a terbutyl carbocation orbital sketch b brominium ion intermediate for the reactio of Br propyne
Organic Chemistry
Practical Detection35 grams of ethanol is dissolved in 115 grams of water What is the concentration of ethanol in by mass
Organic Chemistry
PolymersUnder identical environmental conditions which of the following substances is the most soluble in water Select one a Ne b Ar c Kr d Xe e all of these are equally soluble in water
Organic Chemistry
Practical Detectionystem in a saturated solution of the salt is shown by the following equation ly soluble salt with the general formula AaBb The equilibrium AaBb aA bB Mathematically express the solubility product constant Ksp at equilibrium 16 A 1 L saturated solution of AgCl is evaporated to dryness and the residue is equivalent to 2 68 x 105 mol What is the experimental Kp of the silver sp chloride AgCl s Ag aq Cl aq
Organic Chemistry
General organic chemistry1 Provide a name for the following compounds using IUPAC nomenclature O NO OH I
Organic Chemistry
Practical DetectionFill in the missing symbol and name the reaction 3 H 1 1 2 3 4 232 U2 Th 92 228 90 144 14 Ce 4Pr Ce 58 59 65 55 Zn 30 40 40 K Ar 18 0 je He
Organic Chemistry
General organic chemistry23 Magnesium is added to hydrochloric acid producing magnesium chloride and hydrogen gas
Organic Chemistry
HydrocarbonsThe reaction of methylpropene with HBr in ether gives one of the two products below as the major product Answer the following question s about th Product t HBr ether Br Product A would be formed via a primary carbocation Br Product B
Organic Chemistry
Practical DetectionExplain the DEPI NMR data and how it corr to this molecular sturcture 90 45 OH lates
Organic Chemistry
General organic chemistry1 Assign oxidation numbers to the atoms in the following compounds A H O B Mg NO3 2 C LiH wwwwwww D N O5 E H4P2O7
Organic Chemistry
HydrocarbonsFive liquids are shown below Which one would have the highest viscosity H H H H H H H H 1 H C C C C C c c c H H H II H O C C 0 H H H III HH IV H O H HO H H O C C C 0 H H H H HHHHHH V H C C C C C C H 1 1 1 1
Organic Chemistry
General organic chemistryBased on the structure of naproxen shown below which of the following statements is CORRECT at physiological pH H3C O Naproxen is predominantly uncharged O Naproxen is negative charged Naproxen is positively charged Naproxen is a zwitterionic Naproxen CH3 COOH