Organic Chemistry Questions
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Organic Chemistry
Chemistry in Daily Life18 Following compound is named as a N N dimethylformamide c N N methylformamide 0 CH C N CH b N N dimethylacetamamidi d N N methylacetamamide
Organic Chemistry
General organic chemistry19 The main organic product of acyl chloride hydrolysis is a ester b amide carboxylic acid d alcohol 20 Which product would you expect from the reaction of ethyl ethanoate with H Or a ethanoic acid ethanol acetamide ethanol only ethanol c d only acetic acid
Organic Chemistry
General organic chemistryWhich of the following subshells is greatest in energy O5s 3s 4p 4d
Organic Chemistry
General organic chemistryIndicate the number of protons neutrons and electrons in the following atom O7 protons 8 neutrons 10 electrons O7 protons 8 neutrons 4 electrons 15 protons 3 neutrons 1electrons 8 protons 7 neutrons 11 electrons
Organic Chemistry
General organic chemistryWhat is the correct formula with physical state for magnesium under standard conditions Mg s Mg 1 Mg g Mg2 1 Mg2 g B
Organic Chemistry
General organic chemistryHow many neutrons are in the following 200 80Hg O 120 O 200 80 O 76 27
Organic Chemistry
General organic chemistryWhat is the correct formula with physical state for nitrogen under standard conditions ON2 g ON2 1 ON g ON s ON4 g 2
Organic Chemistry
General organic chemistry1 An alkane with eight carbon atoms in a linear configuration is called a a hexane b heptane c octane 2 What is the common name of the following substituent CH CH C CH d pentane
Organic Chemistry
General organic chemistryTwo atoms with the following symbols are 24 12X 24 the same element and isotope ions 14 X O the same element isotopes different elements
Organic Chemistry
General organic chemistryRubidium is found naturally in only two isotopic forms 72 172 of natural rubidium is 85Rb and 27 828 is 87Rb The mass of 85Rb is 84 91179 amu and 87Rb is 86 90918 amu From this information calculate the atomic mass of rubidium
Organic Chemistry
General organic chemistryHow many neutrons are in the following 50Sn4 119 O 119 O 50 O 69 46
Organic Chemistry
General organic chemistryHow many protons does the following element have What is the atomic number for the following element N O 7 protons atomic number 7 14 protons atomic number 14 O 7 protons atomic number 14 O 14 protons atomic number 7
Organic Chemistry
General organic chemistryFor the following reaction identify the acid base conjugate acid and conjugate base CH3CH Li I HH II 1 base II acid III conjugate base IV conjugate acid 1 acid II base III conjugate base IV conjugate acid 1 base II acid III conjugate acid IV conjugate base 1 acid II base III conjugate acid IV conjugate base 1 base II base III conjugate acid IV conjugate acid III CH3CH3 IV Li
Organic Chemistry
General organic chemistryWhich of the following are transition elements Mercury Aluminum Chromium Lead
Organic Chemistry
General organic chemistryThe electron configuration of carbon is 1s 2s 2p O 1s 2s 2p3 O 2p6 2s 2p6
Organic Chemistry
General organic chemistryHow many electrons are in the following 127 531 52 53 54 74 2
Organic Chemistry
General organic chemistryWhich element has the electron configuration 1s22s22p63s O Li Na O Mg AL 4
Organic Chemistry
General organic chemistryWhich of the following are heterogeneous mixtures A mixture of AgCl s and H O 0 Cereal and milk NaCl aq A solution of hydrochloric acid in water
Organic Chemistry
General organic chemistryQuestion 22 Which of the following subshells is greatest in energy 4s 4p 4d
Organic Chemistry
Amines14 64 Draw the condensed structural or line angle formulas for th products of the following 14 4 14 6 a b O CH3 I CH CH C 0 CH CH NaOH Le H heat H O Heat
Organic Chemistry
General organic chemistryWhich of the following are main group elements Copper Phosphorus Strontium Potassium
Organic Chemistry
General organic chemistryIdentify the expected product for the following reaction BF3 B F 1 BF3 IV BF3
Organic Chemistry
General organic chemistry14 72 Write the IUPAC name for each of the following 14 6 a b O CH CH CH CH C NH O CH3 CH3 CH C N CH3
Organic Chemistry
General organic chemistryMembers of the same group have similar chemical and physical properties because O they have the same charge Othey have the same number of valence electrons Othey have the same number of protons they have the same number of neutrons 27
Organic Chemistry
General organic chemistry2 or tertiary 3 amine 14 5 14 56 There are four amide isomers with the molecular formula C3H7NO Draw their con densed structural formulas and write the IUPAC name for each 14 6
Organic Chemistry
Practical DetectionReferences A steel cylinder cont mixture of nitrogen oxygen and carbon gases The total pres he tank is 1690 torr pressure exerted by nitrogen and oxygen and 540 torr respect What is the partial p n torr of the carbon dioxide in the mixtu Enter your answer t significant figures PCO Submit Answer to
Organic Chemistry
Chemistry in Daily LifeQ 11 The rate of a chemical reaction doubles for every 10 C rise of temperature If the temperature raised by 60 C the rate of the reaction increases by A 16 times B 8 times C 32 times D 64 times E 4 times
Organic Chemistry
Practical DetectionWhat ions go into solution when potassium carbonate solid dissolves in water OK Co OK CO3 OK CO3 OK C 0 OK C
Organic Chemistry
General organic chemistryProvide the correct IUPAC name for the skeletal line bond structure shown here Stereochemistry is ignored Br J Br I 3 4 2 4 2 4 3 2 3 di tri sec iso tert cyclo X
Organic Chemistry
General organic chemistryThe reaction of iodine chloride and hydrogen gas occurs in two elementary reaction steps as indicated below What is the best representation of the overall reaction step 1 ICI H HCI HI slow step 2 HI ICI HCI 12 fast a 21CI H 2HCI 12 Ob HI 21CI H 2HCI HI 1 c ICH H HCI HI d H HI HI 12 e HI ICI HCI 1
Organic Chemistry
Chemistry in Daily LifeWhat is the pH of a 0 0017 M solution of the strong acid HBr aq 2 8 4 8 6 1 3 5
Organic Chemistry
Practical DetectionA solution of water and a nonvolatile nonionizing compound is placed in a tube with a semipermeable membrane on one side The tube is placed in a beaker of pure water What initial net effect will occur Water will flow from the beaker to the tube Water will flow from the tube to the beaker The compound will pass through the membrane into the solution Nothing will move through the membrane either way Equilibrium is immediately established
Organic Chemistry
General organic chemistryWhich molecule undergoes E1 fastest in concentrated H SO4 HO OH O HO OH
Organic Chemistry
Chemistry in Daily LifeDraw orbital sketches and build the models for a Ethene ethylene C H4 Each carbon in ethene has 3 regions gray pieces sp2 this molecule is trigonal planar the 3D structure is done with solid lines all in the same plane b Ethyne acethylene C H There is only one triple bond gray with regions above and below the internudear axis The piece already represents the two carbons of the triple bond just add the two hydrogens white spheres The piece without H represents 4 carbons The angles around each carbon are 180
Organic Chemistry
General organic chemistry3 2769 12 00 Which definition best describes polygenic traits OA traits that are carried on linked genes O B traits that are controlled by multiple genes OC traits that affect several features OD traits that express both alleles of a gene pair
Organic Chemistry
General organic chemistry7 Assign the configuration of the following chi HO CI COOH NH Br H N G
Organic Chemistry
HydrocarbonsWhen carbon dioxide gas is dissolved in water increasing the temperature will solubility to a increase Ob decrease
Organic Chemistry
Alcohols and PhenolsWhat is the product of this reaction O H HO OH OH 1 BH3THF 2 H O NaOH
Organic Chemistry
General organic chemistryWhat is the symbol for the following element Atomic Number Z Mass Number A Protons Neutrons Electrons Symbol 55 133 blank1 blank2 55 55 133 Cs O 13355 Cs O 13355 Cs 133 54Xe
Organic Chemistry
General organic chemistryWhat is the LUMO in the molecular orbital diagram for 1 3 cyclohexadier
Organic Chemistry
General organic chemistryWhat is the major product of this reaction Br 1 equiv HBr 40 C
Organic Chemistry
General organic chemistry4 NaNO2 HCI 5 CuCN O 1 HNO3 H SO4 2 Br2 AlBr3 3 Fe HCI 4 NaNO2 HCI 5 CuCN O 1 Br2 AlBr3 2 HNO3 H SO4 3 Fe HCI 4 NaNO HCI 5 CuCN 1 NaNH2 NH3 2 NaNO2 HCI 3 CuCN 4 Br AlBra