General organic chemistry Questions and Answers
Organic Chemistry
General organic chemistryClassify the following as an ionic or a covalent compound lithium sulfide is a n ionic O covalent compound
Organic Chemistry
General organic chemistry1 Give All the possible products for the following reactions Name each product Br NaOH Cl H O Br H 0 2 Using the E Z system name the following Alkenes page 292 293 of your book F Br OH izni CI Br
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General organic chemistry11 Which statement is correct about the effect of the substituent groups on the acidity of alcohols b Electron donating groups decrease acidity by stabilizing the conjugate base Electron donating groups increase acidity by stabilizing the conjugate base Electron donating groups decrease acidity because they destabilize the conjugate base d Electron donating groups increase acidity because they destabilize the conjugate base 12 Finish the reaction C H OH KOH c a C H OK H b C H K O c C H OK H O d C H K H O
Organic Chemistry
General organic chemistryUsing the solubility rules from this manual or your textbook predict the solubility in water soluble or insoluble of these compounds a KClO3 potassium chlorate b KCl potassium chloride c AgNO3 silver nitrate H AgClO3 silver chlorate AgCl silver chloride
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General organic chemistryethyl propanoate What is the outcome of the reaction acetic anhydride with H O acid ester only acid c only alcohol d only ester a b
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General organic chemistryWhich of the following are alkaline earth metals Note for this and any other question where the answer spaces are boxes more than one answer may be chosen Calcium Cs 1 pts Sodium
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General organic chemistry9 Which of the following is a major product of the dehydration reaction of 3 methylpentan 2 ol a 3 methylpent 1 en 2 ol b 3 methylpent 2 en 2 ol c 3 methylpent 1 ene d 3 methylpent 2 ene 10 Which of the following alkohols is the strongest acid b R CHOH a R COH c RCH OH d CH OH
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General organic chemistry7 Which of the following is the naphthalene a 00 000 of b 20 8 What is the name of the following compound a naphthalene b nitrobenzene NH c c toluene d B d
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General organic chemistryWhich of the following are physical changes E Water freezing to form an ice cube solid dry ice subliming and releasing gas A log burning a fireplace Dissolving sugar in water
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General organic chemistryWhich element has the following shorthand electron configuration Ar 4s23d104p5 Br O CI OV
Organic Chemistry
General organic chemistryHow many valence electrons does arsenic As have 02 05 15 33 A
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General organic chemistryWhich of the following are chemical changes An ice cube melting O Alcohol dissolving in water Burning a piece of paper Combustion of gasoline
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General organic chemistryWhy is the compound name prop 3 ene never written in scientific literature The compound is very rare and doesn t exist naturally This is a trick question prop 3 ene is widely written in scientific literature It s not possible to have a three carbon chain with a double bond Because the name is incorrect and should be written as prop 1 ene
Organic Chemistry
General organic chemistryIn this experiment if ml of cyclohexanol was added to the round bottom flask and I ml of H SO4 and 3 0g of cyclohexene was formed at the end of the reaction what would be the yield of cyclohexene See the reaction below ALL CALCULATIONS MUST BE SHOWN OH Cyclohexanol mp 25 C bp 161 C den 0 96 MW 100 16 H PO4 H O Cyclohexene bp 83 C den 0 81 MW 82 14
Organic Chemistry
General organic chemistryWhich of the following compounds is most acidic CH3OH CH3Br CH3CI CH3SH C CH NH
Organic Chemistry
General organic chemistryWhich of the indicated protons is most acidic H V HH N HII IV
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General organic chemistryWhich of the following statements is TRUE about the behaviour of electrons The lowest energy state of an electron bound to an atom is called the ground state An excited state electron will spontaneously transition to a lower energy state and in the process will release a photon of light It takes many oscillations of the electric field for energy to be transferred from light to matter All the above are true
Organic Chemistry
General organic chemistryWhich element has the electron configuration 1s 2s22p63s 3p64s 3d 04p65s 4d 05p O Se Te As
Organic Chemistry
General organic chemistryThe electron configuration of sulfur is O 1s22s22p63s23p4 O 1s 1p62s22p O 1s22s23s22p63p4 O 2s22p63s23p6 M
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General organic chemistryAn element can be changed into a simpler element by a chemical reaction or chemical change O True False
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General organic chemistry5 What is the IUAPC name of the following compound CH CH CH CH CH a 2 methyl 3 pentene b 2 methyl 3 pentyne 6 What is the C C C bond angle in benzene a 60 b 90 c 120 CH c 4 methyl 2 pentene d 4 methyl 2 pentyne d 128 5
Organic Chemistry
General organic chemistryHow many electrons are in the delocalized system of this molecule O 10 06 O 12 8
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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
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General organic chemistry50 What is the symbol of the element X below 23X2 OV 4 Sn 27
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General organic chemistryWhich of the following elements are alkali metals OK Na Mg Ca Ba
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General organic chemistryWhich of the following solvents can be used with NaNH CH3CH OH CH3OH H O Liquid NH3 CH3CO H
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General organic chemistryComplete the following table Atomic Number Z Mass Number A 138 Protons 56 Neutrons Electrons Symbol 54
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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
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
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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
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General organic chemistryWhich of the following solvents can be used with CH3 3CLIE CH3CH OH CH3OH H O Liquid NH3 CH3 CH2 4CH3
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General organic chemistryWhat is the major product of this reaction HO HO OH OH H LOH
Organic Chemistry
General organic chemistryWhich structure is consistent with this 13C NMR spectrum O 140 CH3 CI 120 100 80 PPM 60 20
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
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
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General organic chemistryWhat is are all of the possible product s of dehydrohalogenation of trans 1 bromo 2 ethylcyclohexa Et Br PO m NaOMe
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General organic chemistryWhich substance will be most soluble in C6H6 O a NH3 Ob CS c SO
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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
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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
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General organic chemistryWhich solution should have the lowest vapor pressure 0 10 M C 2H22011 0 10 M KNO3 O 0 10 M Ca
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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
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
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
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