Organic Chemistry Questions

Which of the following is the correct name for this halocarbon CH3CH F difluoroethane monofluoroethane difluoromethane

OA OB OC Which of the following compounds absorbs the longest wavelength of UV visible light OD B D B

la What is the IUPAC name for the following compound 3 points OH Smethyl

N Acylation and O Acylation OH O O O 0 OH 0 NH OH O HP 0 00 0 N ZH OH OH

Name this cation CH CH CH O Allylic anion O Allylic radical O Allylic cation O Benzylic cation Benzylic anion

What is the result of the following calculation to the correct number of significant figures 4 3 105 8 01 106 9 114 107 3 0018 10 O 1 3x10 5 O 1 1x1014 O 1 25x1027 K

The intermolecular force known as dispersion forces can be described as an attraction between a None of these highly electronegative atom in one molecule and a partially positive hydrogen atom in another partially negative region in one molecule and a partially positive region in another positively charged particle and a partially negative region in a molecule temporary dipole in one molecule and an induced dipole in another

What are the strongest intermolecular forces in SF6 London forces dipole dipole forces ion dipole forces covalent bonds

4 5 6 CH CH H C C O CH CH 7 CH CH CH CHCH3 OH CH OH OCH CH3

Which of these pure substances has only dispersion forces present between molecules OH 0 NaCl ONH3 H HCI

What is are the major product s of the following reaction ol O I III O I II III O II IV HCI 1 equiv 11 CI CI III IV CI

4 What is the density of a solid in g mL with a mass of 2174 mg and a volume of 1 632 cm

2 Rank the following alcohols from STRONGEST 1 to WEAKEST 4 explain the reasoning using ARIO and steric hindrance of solvation t ranking 15 points 2 1 OH OH OH B OH

What is the major organic product of the following reaction ol S Na fylg D IV Br

orrectly rearrange Charles Law to solve for the unknown in the following problem Determine the new temperature in C for a sample of neon with he initial volume of 2 5 L at 15 C when the volume is changed to 3550 mL Pressure is held constant O T x V T 1 V T 7 2 V V V X Y 12 2 T T2

CH 1 CH3 CH C CH CH3 CH CH CH3 I CH 3 ethyl 3 methylprop 0

H C H3C H C Br HC CH H C H C H3C1 OH 5 H C Br HC CH H C H C Br 7 H C CH H 0 02 9 1 OH CECH OTBDMS OTBDMS OTBDMS OH Shown above is the stepwise synthesis of 72 11E 7 11 hexadecadien 1 ol the key intermediate for synthesis of Gossyplure the sex pheromone the pink bollworm From the choices provided below suggest reagent s for Step 8 and Step 6 of the synthesis numbered in red More than one step may be necessary Use the minimum number of steps possible No more than two steps are required Previous C2

How many allylic carbons are there in this structure 02 0 3 04 415 HO

What is the correct classification Reduction Oxidation Elimination or Substitution of the following reaction H C CH H O Substitution reaction O Elimination reaction O Reduction reaction O Oxidation reaction H3C CH3

What is the volume of 8 25 kg of isopropyl alcohol Isopropyl alcohol has a density of 0 786 g mL A

Which of the following statements about resonance structures is true O The placement of nonbonded electrons is the same O The placement of atoms is different O The placement of p bonds is different O The placement of s bonds is different

Select the compound that contains covalent bonds ZnCl OK 0 CrCl3 OPCI3

What diene and dienophile are used in a Diels following compound COOH C and COOH coll O III and HOOC III COOH CO H CO H X and HOOC 11 and IV COOH COOH COOH

Perform the following calculation to the correct number of significant figures 6 991 105 1 07 10 5 0 102 2 9 10 How many significant figures should your final answer have

CH3CH CH CH O 1 Bromobut 2 ene O 3 Bromobut 1 ene O 4 Bromobut 1 ene O1 Bromobut 2 ene 3 bromobut 1 ene NBS

Question 1 Every part is wrong Which is the strongest acid Draw resonance structures to explain your answer HO HO or Answer 1 There are 2 major errors The one on the right is the stronger acid because you can make it neutral in the final resonance structure hy H O

What is the empirical formula of dimethyl sulfide a compound with a cabbage like odor that is produced by marine plankton which is 38 7 carbon 9 70 hydrogen and 51 6 sulfur by mass Select the correct answer below O C H S OCHS O CH S OCH S 11

Which of the following is not a resonance structure of acetic anhydride O 0 acetic anhydride O III OIV OH 0 0 0 0 0 0 0 IV

Rearrangements can occur in which of the following reactions O Addition of Cl to an alkene O None of these O Addition of H O H3O to an alkene O Addition of HOBr to an alkene

What is the density of a solid with a mass of 314 mg and a volume of 1 26 cm

Draw a reasonable resonance contributor of resonance structures A OA OB OC OD OE B 000 D C E

What volume of benzene in mL has a mass of 16 9 g The density of benzene is 0 879 g mL

Which of the following dienes contain conjugated double bonds 1 O II III O I III O II IV O I II 11 IV

Pressure A O melting O deposition O vaporization O freezing C B H Temperature E I What phase change will occur if the substance begins at point H and the pressure and temperature are decreased to end up at point G

Gaseous chlorine has a density of 3 214 10 g mL How many grams of chlorine would occupy a volume of 11 0 L of chlorine

How many kilograms are in 5 71x1012 ng

What reagents are necessary to perform the following reaction O 03 O Na NH3 O H Lindlar s O KMnO4

In the addition of HBr to 1 butyne the electrophile in the first step of the mechanism is O the Brion O the H atom in HBr O the C sp H1 s bond of 1 butyne O the C C triple bond of 1 butyne

Complete the following unit conversion 7 65 1011 nm to km to

What is the mass of 2 5 L of chloroform in grams Chloroform has a density of 1 480 g mL

Determine the molecular geometry of BC13 Obent O trigonal pyramidal trigonal planar

At 25 C the reaction l aq OCI aq Ol aq Cl aq has the following rate law Rate 0 664 L mol s 1 OCI Calculate the rate of the reaction when a 1 0 0115 M and OCI 0 0366 M Rate b 1 0 189 M and OCI 0 0479 M Rate i mol L s 1 mol L 1 S 1

B cuft C A B and C A and B only Band C only OB only

The density of butter is 0 86g mL what volume in L is occupied by 427g of butter

After ozonolysis and treatment of the unstable ozonide with CH3SCH3 compound A was converted to the compound below What is the structure of compound A 1 Oll Ol O III OIV 0 Compound A 11 III IV

What is the most likely product if the following compound is treated with ethanolic sodium ethoxide que l af od go

A liquid has a mass of 154 50g and a volume of 150 mL Calculate the density of the liquid

Determine the molecular geometry of ammonia NH3 O trigonal pyramidal tetrahedral O trigonal planar O bent

Which substance will have the highest surface tension a PH3 Ob AsH3 Oc NH3

A sample of hydrogen gas occupies 250 mL at 90 mmHg For a gas sample at 25 C determine the number of moles of hydrogen present in the sample 10 962 moles 826 4 moles 0 0000912 moles 0 920 moles 0 00121 moles