Organic Chemistry Questions

What is the product of this reaction H H H H SO4 H O HgSO4 CO

Determine the principal product of the following reaction ei O O O 1 LDA THF 15 C 2 CH3 CHCH Br The zi

Which series of reagents would be required to perform the following synthesis O 1 Cl AICI 3 2 CH3CH CH COCI AICI 3 3 NH2NH2 KOH A O 1 CH3CH CH CH CI AICI3 2 Cl2 AICI3 O 1 CH3CH CH COCI AICI 3 2 NH2NH2 KOH A 3 Cl2 AICI 3 O 1 CH3CH CH COCI AICI 3 2 Cl2 AICI 3 3 NH NH KOH A

What is the starting material for the reaction below O II OI SO IV 11 NaOH OH IV

What is the major product of this reaction O O H N NC HOOC OH OH OH CN 1 NaCN HCI 2 H H O

What is the full electron configuration for sillicon O 1s 2s 2p 3s 3p O 1s 2s 2p 3s 3p4 O 1s 2s 2p63p4

Classify the following as a physical or chemical change A log burning in a fireplace chemical

What starting material with these reagents will result in 3 3 4 4 tetrabromoheptan 1 PBr3 2 NaCEC 3 Br excess O O O OH OH OH OH Br Br Br Br

Which is the strongest nucleophile in a polar aprotic solvent such as acetone CH3CO Na CH3SNa CF3ONa CH3ONa

What is the IUPAC name of this structure CH3 H3C LOH O 1 fluoro 6 ethylheptan 3 ol O 7 fluoro 2 ethyl heptan 5 ol O 7 fluoro 3 methyloctan 6 ol O 1 fluoro 6 methyloctan 3 ol

The half life of a radioisotope is 2 04 x 103 yr How many years will it take for a 289 g sample to decay until 103 g of the isotope remains Enter your answer as an integer

How many valence electrons does Carbon have Question 73 How many valence electrons does Cobalt have

Trying to attach the aromatic ring Give them missing reactant or reactants please type out your explanation Trying to attach the aromatic ring Give the missing reactant or reactants BOR

Write the chemical formula for this molecule S10 C1 S Cl

7 Synthesis Design a reasonable synthesis for the following R NOTE You can use any other inorganic and organic reagents The molecules below are a set of a possible intermediate set to go through in the synthesis It is not required that you make the molecules below in your synthesis OH OH

A chemical reaction rate compares a the concentration of the reactants to the rate of the reaction b the temperature of the reactants to the rate of the reaction c the concentration of the products to the concentration of the reactan d the surface area of the reactants to the rate of the reaction

Which of the following elements would have similar physical and chemical properties AI Co Be B

What is the multiplicity of the protons on the indicated carbons in the H NMR spectrum O I doublet II singlet III singlet OI doublet II doublet III singlet OI singlet II singlet III singlet OI singlet II doublet III singlet

In the H C N molecule the hybridization of carbon is of nitrogen is OA sp sp OB s p sp OC sp sp O D sn sn and the hybridization

What is the correct combination of A B and C HH HH A HBr CCI B C A H Pt C ethanol B Na NH3 C 1 BH3 THF 2 H O2 NaOH O A H Pd BaSO4 B LINH2 NH3 C HgSO4 H SO4 O A Na NH3 B NaNH2 NH3 C 1 R BH THF 2 H O2 NaOH A Li NH3 B NaOtbu C 1 Hg OAc 2 H O 2 NaBH4 3 PCC 2

Which of the following compounds will produce a carboxylic acid when treated first with Br in NaOH and then acidic wor

What is the abbreviated noble gas configuration for Gallium O Ar 3d10 4p3 Ar 4s2 3d10 O Ar 4s 3d 10 4p O Ar 4s 4p O Ar 4s 3d10 4p 27

Which structure is consistent with this mass spectrum O Rel Intensity 100 80 60 O OH 40 20 OH CHO 0 0 20 40 55 m z 60 80 98 100

Choose the best description for the selectivity specificity of the transformation shown below Br V V Bri stereospecific O both stereospecific and regioselective neither stereospecific nor regioselective regioselective

Is the mass of 129 531 identical to the atomic mass of iodine O no O No answer text provided yes

What is the product in the following reaction OH O O CN CN OH 3 CN 1 SOCI 2 NaCN

What kind of compound is CO A Non polar molecule with polar bonds B polar molecule with non polar bonds OC ionic OD Polar molecule with polar bonds

Which represents an initiation step of a radical reaction R O O R 2 OR OR 2 OR R R O O R OR

Which is are the product s of the following reaction Olonly OI and III II and IV O III only Br OCH3 CH OH II OH OCH3 IV Oli OH

What pressure in atm will a sample of O2 gas occupy at 100 0 mL if O has a volume of 25 00 mL at 2 0 atm A 4 0 atm OB 2 0 atm OC 0 50 atm OD 125 atm

What are the bond angles associated with the indicated atoms HO H II III O1 109 5 II 109 5 III 120 O1 107 11 105 III 105 OI 105 II 120 III 180 01 105 11 109 5 III 109 5

Consider the reaction 8 H S g 4 O g 8 H O g Sg g The average rate of consumption of O is 18 9 M s over the first two minutes What is th average rate of formation in M s of Sg during the same time interval Enter your answer to 2 decimal places

What is the full electron configuration for bromine O 15 25 2p 3s 3p 3d 0 4s 4p O 1s 25 2p 3s 3p 3d 0 4s 4p5 O 1s 2s 2p O 1s 2s 2p O 1s 25 2p 3s 3p 3d 4s 4p6 3s 3p6 4s 4p5 3s 3p 3d 0 4s 4p

Part 2 Practice Problems Follow steps 1 5 to illustrate the synthesis of the following alcohols a dipropyl ether Step 1 Draw Kekule structures of the reagents Step 2 Mark reacting atoms group or bonds Step 3 Indicate proton and hydroxide groups to be removed Step 5 Write the complete equation using a Kekule structures b Condensed formula c Line angle formula b diisobutyl ether Step 1 Draw Kekule structures of the reagents Step 2 Mark reacting atoms group or bonds Step 3 Indicate proton and hydroxide groups to be remove Step 4 Write Kekule structure of the product

Calculate the atomic mass of element X if it has 2 naturally occurring isotopes with the following masses and natural abundances X 45 X 47 44 8776 amu 46 9443 amu OA 46 84 amu OB 46 34 amu C 45 91 amu OD 46 26 amu 32 88 67 12

What is the strongest type of intermolecular force present in CHF3 A ion dipole B hydrogen bonding C dipole dipole D dispersion

Give the set of four quantum numbers that could represent the last electron added using the Aufbau principle to the Cl atom A n 3 1 1 ml 1 m 1 2 B n 2 1 ml 1 m 1 2 C n 3 1 0 ml 1 m 1 2 OD n 3 1 2 ml 1 m 1 2

Select the reagents that can carryout the following transformation loc OC H5 O CH3 2 CHCH OH with HCI aq catalyst O CH3 2C CH in presence of acid catalyst O NaOC H5 followed by CH3 2 CHCH Br O NaOC H5 followed by CH3 2 CHCH OH OC H5

Synthesize the target molecule starting from benzene HO H N OH

Step 1 Draw Kekule structures of the reagents Step 2 Mark reacting atoms group or bonds Step 3 Indicate directions of the substitutions apply Markovnikov s rule Step 4 Write Kekule structure of the product Step 5 Write the complete equation using a Kekule structures b Condensed formula la formula

What is the abbreviated noble gas configuration for Cobalt O Ar 3d O Ar 4s 4p7 O Ar 4s 3d7 O Ar 3d7 4s24p

Use the information and samples to answer the following question The process of freezing is shown for two samples The smaller circles represent a solute Which statement predicts and explains which would have the lowest freezing point Sample A has the lowest freezing point because more energy must be removed to have the particles line up in a solid arrangement Sample A has the lowest freezing point because to have the particles packed close together you need to have only one type of particle or solute Sample B has the lowest freezing point because the solute particles interfere with the attractive forces among the solvent particles Sample B has the lowest freezing point because the solute particles freeze at a lower temperature

For the following reaction which of the following change s in the IR spectrum is consistent with conversion of the reactant to the product H CH CCECH 1 NaNH 2 CH CH Br H CH CC CCH CH3 O Absorption at 2250 cm 1 should disappear a new sharp absorption at 3300 cm 1 should appear O Absorption at 1650 cm 1 should disappear a new sharp absorption at 3300 cm 1 should appear O Sharp absorption at 3300 cm 1 should disappear Sharp absorption at 3300 cm 1 should disappear a new absorption at 1720 cm 1 should appear

29 Write structures for the following bicyclic alkanes a Bicyclo 1 1 0 butane b Bicyclo 2 1 0 pentane c 2 Chlorobicyclo 3 d 7 Methylbicyclo

Molecular compounds are usually A Composed of positive and negative ions B Composed of two or more transition elements C Composed of metal and nonmetal D Composed of two or more nonmetals

Follow steps 1 5 to illustrate the synthesis of the following alcohols a dipropyl ether Step 1 Draw Kekule structures of the reagents Step 2 Mark reacting atoms group or bonds Step 3 Indicate proton and hydroxide groups to be removed

How many unpaired electrons are in an atom of Cu in its ground state OA 2 B 3 OC 1 OD 9

Calculate the number of tetraphosphorus hexoxide molecules in a 16 8 g sample

How many electrons does the s subshell contain

What is the major product of this reaction 1 equiv HCI 80 C 8 O CI CI z CI