General organic chemistry Questions and Answers

Consider the equation Which of the following coefficients will balance the reaction 2 3 1 3 1 3 1 2 2 3 2 1 2 3 2 3 1 3 1 3

Predict the major product of the following reaction H O x H SO4 OIV ol OH OH HO OH IV

Which triene has the largest heat of hydrogenation Coll Ol DIY 11 III IV

Rank the relative strength of intermolecular forces for small molecules hydrogen bonding ion dipole dipole dipole dispersion dispersion dipole dipole hydrogen bonding ion dipole ion dipole dipole dipole hydrogen bonding dispersion ion dipole hydrogen bonding dipole dipole dispersion

Pick the structure of the major product which results when the diene shown is treated with HBr at 40 C CH3 CH OA Xx C D

ich of the following compounds has a net dipole moment of zero H F F C C 1 H H C C H F II F H H C C F F H F CFC IV F H CI C C F H V

Scientists are investigating which type of fertilizer is best Which of the following methods is most likely to produce a biased result OA Let the type of fertilizer be the only variable OB Hire a scientist that works for a fertilizer company OC Set criteria for judging the effectiveness of the fertilizer D Use a team of scientists from different companies

4 A sample of mercury II bromide HgBr2 has a mass of 8 65 g Calculate the moles of HgBr2 in this sample 5 Find the mass of 0 45 moles of ammonium sulfate 6 Calculate the number of grams found in 6 53 moles of N2 gas

Rank the following in the order of their acidity 1 01 2 3 4 02 1 4 3 O2 3 1 4 2 3 4

is hexene soluble in water What are the results of your unknown justify your answer 1 Unknown 1

Which orbitals are involved in the C O sigma bond in acetone shown below Csp 05p 3 H HJ H I O O 11 C H H H

2 OH A gally ginugoma nattenus to dguo108 OH B niwalion OH C OH D SO ASH

What is the best reagent for the following conversion O OLDA THF CH2 CH CHO O CH3CHO PPh3 BuLi O CH3CHO in NaOMe MeOH O H C CH OH NaOH H O 0

Select the compound in which chlorine has an oxidation state of 5 O CIO3 OHCIO4 Oo OCI OCIO

1b What is the IUPAC name for the following compound 3 points OH Smethyl

d d e O 1 equiv 1 Excess CH CH MgBr 2 H O I LIAIH 2 H O OCH3 Excess NaBH CU MaBH MeOH

Select the net ionic equation for the reaction of hypochlorous acid HOCl aq with NaOH aq None of these HOCI aq Na aq OH aq OCI aq H O l Na aq HOCI aq OH aq OCI aq H O 1 H aq OH aq H O l H aq OCI aq Na aq OH aq H O l Nat aq OCI aq

Which of the following compounds is conjugated OIV O III 11 E III IV

What diene and dienophile would react to give the products below CH3 CH3 OA B A C CHO CHO B C D B CHO

Select the type of chemical reaction that is represented by the following equation CH4 g 2 O g CO g 2 H O 1 decomposition combustion synthesis combination single replacement O double replacement

Rank the following compounds in order of decreasing basicity putting the most basic first I CEC O O III OI II C CH CH CH

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

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

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

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

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

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

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

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

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

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

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

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

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

knoevenage Chemicals Benzaldehyde NaOH solid P anisaldehyde ethanol malonitrile OF EN EN EtOH Aldol Condensation Benzaldehyde NaOH solid p anisaldehyde

Which substance will have the highest boiling point a CCl4 b CF4 Oc CBI4

When a liquid is placed into a capillary tube the contents of the tube are pushed down It follows that the relative strength of the attractive forces is Ocohesive forces are stronger than adhesive forces adhesive forces and cohesive forces are the same strength So venr

Write bond line formulas for the following a cis 3 Octene b trans 2 Hexene c 2 4 Dimethyl 2 pentene d trans 1 Chlorobut 2 ene e 4 5 Dibromo 1 pentene f g 3 4 Dimethylcyclopentene h Vinylcyclopentane i 1 2 Dichlorocyclohexene j trans 1 4 Dichloro 2 pentene 1 Bromo 2 methyl 1 prop 2 en 1 yl cyclopentane