Organic Chemistry Questions

Another example would be the following molecule OM Solution and Explanation he longest carbon chain here would be 4 carbons making this a butanol ol because of the alcohol group Since the OH group here is on the second carbon this would make 2 butanol There are 2 methyl groups on this compound making the branching dimethyl One of the methyl branches is on the 2nd carbon while the other is on the 3rd carbon The name here would be 2 3 dimethyl 2 butanol This is a tertiary alcohol because the 2nd carbon that the alcohol group

Based on the following equation if we want to produce 25 g NaCl how many gram of MgCl would we need MgCl 2NaOH MgOH 2NaC Select the correct answer below O 13 g MgCl O20 g MgCl 26 g MgCl 50 g MgCl

CI CH3 H C CHCHC CH CH CH CH3 CH3 CH CH3 9 CH3 H C CH CH CH CH3 8 HO C CH CH CH CH CH3 CH C 10 OH H3C CH CH CH CH3 CH3 H3C

For each pair of compounds click on the one that will undergo an SN 1 reaction faster x Br Br CI CI CI OSO CH3 X X X X

13 42 Predict the major product for each of the following reaction sequences a b 1 Hg OAc 2 MeOH 2 NaBH4 1 Hg OAc 2 2 NaBH OH

Draw the most stable chair conformation for the compound name given below 15 2S 4S 2 isopropyl 1 4 dimethylcyclohexane

12 35 Acid catalyzed hydration of 3 3 dimethyl 1 butene produces Show a mechanism for this reaction 2 3 dimethyl 2 butanol

How does a catalyst speed up a chemical reaction A by lowering the activation energy B by lowering the AH of the reaction C by raising the energy of the products D by raising the energy of the reactants

maroon jordan 1 Google Search Jordan 1 Retro High Light Smok Blackboard Texas Tech Unive References Use the References to access important values if needed for this question Experiment 8 Sp A 0 698 mol sample of Xe gas is confined in a 17 4 liter container at 30 6 C If the temperature of the gas sample is decreased to 11 3 C holding the volume constant the pressure will decrease because Choose all that apply With lower average speeds on average the molecules hit the walls of the container with less force At lower temperatures molecules have lower average speeds As the number of molecule wall collisions increases the force per collision decreases With higher average speeds the molecules hit the walls of the container more often

12 32 Rank each set of alcohols below in order of increasing acidity and explain your reasoning CI CI a b CI OH OH LOH CI CI OH CI OH OH CI CI NO OH OH LOH

Draw a resonance structure that shifts a lone pair from the oxygen to form a new pi bond Include all lone pairs in your structure Select to Draw

One of the molecular orbitals of 1 3 pentadienyl anion CH CHCH CHCH is shown below Identify the number of nodal planes perpendicular to the bonding axis 8 8 8 8 1 4 2 LO 5 nodes 3 6 X C

The IUPAC name for the following molecule is i i HO O2 4 8 trioxo oct 6 en 1 ol O 3 7 doxo hept 5 enoic acid O 8 hydroxy 5 7 dioxooct 2 enal O 1 hydroxy oct 6 en 2 4 8 trione

What is needed for this transformation Na ND3 1 30 C D2 Rh C ethanol cold O dilute D3PO4 Q 1 LiNH2 NH3 2 D D D

In the mechanism for the forward reaction in the equilibrium shown one curved arrow starts at the lone pair of the 1 atom of compound 2 and attacks the 3 atom on A second arrow breaks the 5 bond compound 4 OH OH B 1 oxygen 2 B 3 hydrogen 4 A 5 oxygen hydrogen 1 oxygen 2 B 3 hydrogen 4 A 5 carbon oxygen 1 carbon 2 A 3 oxygen 4 B 5 oxygen hydrogen 1 oxygen 2 A 3 hydrogen 4 B 5 carbon hydrogen o H O D

L RIGHTS Bill o Rights with 14th Amendmen FEDERAL GOVERNMENT CONGRESS PRESIDENT COURTS STATE GOVERNMENT TUP FEDERAL AND STATE GOVERNMENTS Based on the political cartoon in Source C the cartoonist most likely believed that O Incorporation frees states to make their own decisions O Incorporation holds federal and state governments to the same standards in implementing the Bill of Rig O Incorporation binds states to the Federal Government rather than the Bill of Rights O Incorporation binds states to the Bill of Rights rather than the Federal Government 3 4

hemistry Q4 IA Review 1 Schools se the equation below representing the reaction between hydrogen sulfate also referred to as sulfuric tid and sodium hydroxide to answer the questions that follow 2NaOH H SO4 2 H O Na2SO4 3 Balance the equation above 4 350 0 mL of 0 50 M hydrogen sulfate solution is reacted with 15 0 grams of sodium hydroxide What volume of water will be produced

3 56 In a gas mixture the partial pressures are argon 415 mmHg neon 75 mmHg and nitrogen 125 mmHg What is the tota pressure in mmHg exerted by the gas mixture

What is the major product of the following reaction O3H HO O O HO HO Br HO O Br O OCH 3 H3CO 03H OCH 3 03H Br NaOCH OCH 3 SO3H

Ammonium perchlorate NH4CIO4 is the solid rocket fuel used by the U S Space Shuttle It reacts with itself to produce nitrogen gas N chlorine gas C1 oxygen gas O water H O and a great deal of energy What mass of oxygen gas is produced by the reaction of 2 37 g of ammonium perchlorate Round your answer to 3 significant digits

What would be a suitable reagent set in the scheme for synthesis of pyruvic acid 2 oxo propanoic acid from propene b O a Hg OAc 2 H O followed by NaBH4 2 H CrO4 O a MCPBA b PCC O a HCI H O2 b Mg ether followed by CO2 and H3O Oa KMnO4 cold NaOH b H CrO4

The compound with a condensed structure of CH3CCCH CH3 has carbons and has a bond The name will be

What is are the major substitution products for the following reaction A B C E Product 1 is major H3CO Product 2 is major D A mixture of 1 and 5 would be major A 1 1 mixture of 2 and 3 would be major A mixture of 4 and 5 would be major OH OCH3 conc H SO4 CH3OH OCH3 Product s OH HO

Based on the data table one scientist concludes that the mass of AgCl formed depends only on the amount of HCI added and another scientist concludes that the mass of AgCl formed depends on the amount of the limiting reactant How might this conflict be resolved Sample 1M HCI mL 50 50 25 1 2 3 2M AgNO3 mL 50 25 50 AgCl formed g 7 2 7 2 3 6 OA Explain the reasoning of each scientist to the other scientist OB Compare the solubilities of the reactants and the precipitate O C Read other lab reports that describe what takes place during this reaction D Perform further investigations using different amounts of reactants

c Add wedge and dash bonds to give 3R 5 bromo 2 chloro 3 fluoro 3 methylhexane Indicate the configuration at the 3 position only The configurations at the 2 and 5 positions are unspecified those groups are used to determine priorities for the configuration at the 3 position Select Draw C H Rings Br CI F More Erase

Which of these is inaccurate CI DIBAIH DMSO 0 THF Zn HCI AICI OCHS 1 CH Br Mg ether 2 H O H CH

For the following acid base reaction predict the position of the equilibrium and identify the most stable base 1 11 LOLO IV O favor the right side with compound IV being the most stable base O favor the right side with compound II being the J most stable base O favor the right side with compound III being the most stable base Ofavor the left side with compound I being the most stable base O favor the left side with compound II being the most stable base

The dissociation equation for aluminum sulfate would be correctly written as O Al SO s Al aq SO aq O Al2 SO4 3 S Al2 SO4 s Al2 SO4 3 s 2Al aq 3SO aq O Al2 SO4 3 S 2Al s 3S0 s

For each of the following molecules predict the product that would form upon reaction of a single equivalent of a strong base Part E OH LOH Draw the molecule on the canvas by choosing buttons from the Tools for bonds and ch toolbars including charges where needed H 12D EXP CONT H C N O

Draw a resonance structure that places a pi bond in a different position Include all lone pairs in your structure I 0 0 H C

1 Draw the structures of each of the compounds used in this experiment and identify each the functional groups in each compound Compound Benzoic acid Vanillin Mandelic acid trans Cinnamic acid

1 Use the graph of solubility curves below to answer the following questions Solubility of sodium chloride sucrose and potassium chloride Grams of solute dissolved in 100 ml water 500 E 450 400 350 300 250 200 150 100 50 Sucrose 0 KNO3 NaCl 20 40 60 80 100 Temperature C a Identify the most soluble substance at 10 C 1 mark If you re not part of the solution you re part of the precipitate you b What type of solution would you have if you dissolved 98 g of KNO3 in 100 g of water at 60 C 1 mark c A student would like to make some rock candy by dissolving 290 g of sucrose into a hot cup of water at a temperature of 70 C and then allowing it to cool to 20 C How much rock candy could the student make Show your work 2 marks

Read the passage from The Royal House of Thebes In the course of their desolate wanderings Oedipus and Antigone came to Colonus a lovely spot near Athens where the one time Erinyes the Furies now the Benignant Goddesses had a place sacred to them and therefore a refuge for suppliants The blind old man and his daughter felt safe there and there Oedipus died Most unhappy in much of his life he was happy at the end The oracle which once had spoken terrible words to him comforted him when he was dying Apollo promised that he the disgraced the homeless wanderer would bring to the place where his grave should be a mysterious blessing from the gods Theseus the King of Athens received him with all honor and the old man died rejoicing that he was no longer hateful to men but welcomed as a benefactor to the land that harbored him Which statement accurately analyzes this passage from a historical perspective O People who heard this story when it was first told may have believed that oracles could predict the future accurately The characters in this story live in a society where everyone is equal The characters in this story are kind to one another even when being kind turns out to be risky or frightening People who heard this story when it was first told did not believe in sacred spaces B

2 Complete the balanced equation for the following reaction Write the total ionic and net ionic equation Include states 5 marks CuSO3 aq HNO3 aq TIE NIE 3 A student makes a solution by dissolving 17 21 g of sodium phosphide in 250 mL of distilled water a Write the dissociation equation for sodium phosphide in in water 1 mark

During a reaction the pH of a solution changes from pH 9 to pH 6 Compared to the original pH the final pH is O1000X more acidic 30X more acidic 3X more basic 30X more basic 1000X more basic 3X more acidic

A 0 20 mol L solution of Ca PO4 2 completely dissociates in water What is the resulting concentration of anions in solution O 0 20 mol L 0 40 mol L O 0 60 mol L O 0 80 mol L 1 0 mol L

Amino acids are compounds that con tain both amine and organic acid functional groups Which compound is an amino acid 1 H OH H C C 3 HH 2 H OH H III H C C C N HHH 4 O O OH HO H C C N I H H H H H

Identify the spectator ions for the reaction below 2Na aq 2Cl aq Cu aq SO4 aq 2Na aq SO4 aq CuCl2 s 2 Na aq 2Cl aq Cu aq SO4 aq 1 poin CuCl2 s

Which of the following statements are FALSE O An aqeous solution may have polar molecules dissolved in water O An aqueous solution may have non polar molecules dissolved in water O An aqueous solution is a solution with water as a solvent O An aqueous solution may have ions dissolved in water Choose all statements that are TRUE The solute is the smaller component of a homogeneous solution The solvent is the smaller component of a homogeneous solution Neither the solute or solvent is larger in a homogeneous solution The ratio of solvent and solute varies depending on the conditions

Which of the following is true when sodium acetate CH3COONa dissolves in water Select all correct answers O The formula unit separates into individual atoms of carbon hydrogen oxygen and sodium The formula unit remains intact O Water molecules overcome the forces between the ions The formula unit separates into individual atoms

Identify the molecules that would form aqueous solutions from the list below Check all that apply H O formaldehyde ammonia C H H N H H 0 c 0 carbon dioxide H H C C ethylene H 1 poin H

A Na BM Harott MeoH write a mechanism for the reaction

For the equation shown below use Le Chatelier s principle to identify if the changes indicated will cause the reaction to A shift left B shift right C have no change or D no way to predict a change N2 g 3H2 g 2NH3 g AH 13 adding heat 14 adding hydrogen H2 15 increasing the pressure 16 removing nitrogen N2 A shift left O O B shift right O O O C have no change O D no way to predict a change

13 Consider the following reactions and approximate free energy changes Xa 0 Xa CO XaCO Xa0 What would be the value of AG for the following reaction XaO CO XaCO 0 X A 60 kJ B 10 kJ AG 70 kJ AG 80 kJ C 40 kJ D 150 kJ

Tag each carbon atom in the main chain of the 2 3 dimethylpentane C H 6 molecule drawn b H H C H H H H H CC C C C H H H H H H H C H X

Which temperature range is the danger zone for food storage OA 0 F to 32 F OB 32 F to 145 F

Draw the major addition product for this reaction Do not include any byproducts formed HBr 1 equiv 80 C Br Edit Major Product

1 The image below represents the solubility of a compound in water Which of the following trends would the solubility curve possibly represent Solubility X 1 g 100g water 0 35 0 3 02 015 01 105 0 10 40 The solubility of gases with increasing temperature The solubility of solids with increasing temperature The solubility of gases with increasing pressure The solubility of solids with increasing pressure

Part A Rank the following carbocations from most stable to least stable Carbocations like radicals are electron deficient Rank from most stable to least stable To rank items as equivalent overlap them CH3 Reset

Which of the following is a wedge and dash structure for the following Newman projection CH3 Br Br 01 O II Br H Br Br H CH3 BU Br Br Br IV