Organic Chemistry Questions

Which mechanistic step s is are shown below Select all that apply Select one or more H transfer Orearrangement 0 5 S O loss of a leaving group O

2 11 If yield for following reaction is 75 0 75 0 and 30 0g of NO are consumed in reaction how many grams of nitric acid HNO3 aq are produced 3 NO g H O 1 27 NO aq NO g 20 59 46 29 36 59 21 49

Which species is the most stable A CH3 B CH3CH C CH3 CH D CH3 3C E None of them OA B Oc D

Draw the most stable conformation of trans 1 4 dimethylcyclohexane In which position are the substituents Select one O both equatorial O one axial one equatorial O both axial

Classify the reaction below as an LOH O reduction O oxidation O neither O

IV Predict the major product for each of the following reactions Provide the name of the reaction and show the mechanism using curved arrow formalism a 4 points m Name of the reaction Mechanism NaOH H O Heat

In the complete combustion of heptane how many moles of water are produced 8 5

Avogadro s Number 1 2 57 x 1011 atoms of silver equal how many moles of silver 2 2 845 x 1012 potassium atoms equal how many moles of potassium 3 0 0524 moles of H O equal how many molecules of water 4 347865 atoms of xenon are equal to how many moles of Xe 5 3 25 x 1025 molecules of HCI gas equals how many moles of HCI 6 How many moles of H SO4 do you have if there are 1 64 x 1012 molecules of HeSO

Pick the structure of the major organic product in the reaction below O A ada d C OH OD PCC

The compound below may contain a chirality center Determine its configuration i H NH OH Select one O the compound does not have a chirality center O R configuration

Consider the Lewis structure of the sulfate ion SO42 where all the atoms obey the octet rule What is the formal charge of sulfur 2 0 2

Which solvent would be expected to be a good choice for the reaction below Select all that apply OTS Select one or more HMPA Omethanol water acetone DMSO Nal NaOTs

Which of the following alcohols will have a product with Na Cr O7 H SO4 tert butanol O cyclohexanol Opentan 3 ol O both A and B both B and C

Identify the likely mechanism for the reaction below If a SN2 mechanism is identified Drag N A into every field because there are no individually occurring reaction steps If a SN1 mechanism is identified Drag the appropriate reaction mechanism steps into the empty fields labeled 1 to 5 in the order they occur If there are less then 5 mechanistic steps then fill in the remaining fields with the draggable item N A 1 2 3 4 5 OTS Nal NaOTs

A product Select product II Select B step i H SO heat I C ii H Pr D II E

Which reagents could be used to perform the following reaction A NaOCI B PCC C NazGr O H SO4 D All reagents will work E A and B F A and C OA OB OC LOH OD OE H

6 Isomers have identical physical and chemical properties 7 CH CHCH CH is a formula for a saturated hydrocarbon 8 The physical properties of alkynes are very different from those of alkenes 9 2 butyne can exist as cis and trans isomers 10 A phenol is any aromatic ring that is bonded to another carbon chain

the compound below were reacted with Br2 H O which major product would be obtained a Select one Ait Br Br OH Br OH OH H Br OH

If the compound below were reacted 1 O3 and 2 with DMS which products could be obtained Select all that apply Select one or more O O of O 01 0 07

Which of the carbocations below would shifts to a more stable carbocation Please select all that apply Select one or more Xo

We uncover unexpected metabolic features that extend our understanding of biology and challenge established boundaries between the three of life Source Natu

What product s would you expect from the following reaction CH3 NBS Br CCl4 hv You do not have to consider stereochemistry If more than one structure fits the description draw them all Draw one structure per sketcher Add additional sketchers using the drop down menu in the bottom rig Separate structures with signs from the drop down menu

What reagent s is are needed to induce the following isomerization CH OH 0 H CHO OH HO H HOH CH OH NaOH aq Br2 H O HCI aq PCC Question 2 HO H OH CH OH 2

Which of the following types of hydrocarbons is are saturated OA Alkene B Alkane C Alkyne D Aromatic E All of above

Please select the reaction condition s required to achieve the following transformation Hint Transformations may require one two three or four reaction steps The number of steps is indicated by the number of arrows in the scheme Select one or more OHBr ROOR 13 excess Br2 OH2 Pt 11 HBr HgSO4 H3O Br2 1 03 2 water excess HBr 1 9 BBN 2 H202 NaOH OH2 Lindlar Na NH3 liquid 1 excess NaNH2 2 water 1 NaNH2 2 alkyl iodide

Provide the correct common name for the compound shown here Z N

What is the percent by mass of Carbon in CO₂?

A. What is the hybridization of the central atom in AlF3? Hybridization What are the approximate bond angles in this substance? Bond angles B. What is the hybridization of the central atom in BeF2? Hybridization What are the approximate bond angles in this substance? Bond angles

Draw a triacylglycerol (triglyceride) made from glycerol, myristic acid [CH, (CH₂),,COOH), palmitic acid [CH,(CH₂),COOH), and oleic acid [CH, (CH₂),CH=CH(CH₂),COOH(cis)]. Place palmitic acid at the middle position. Cis/trans isometry is graded; it may help to draw hydrogen atoms associated with the carbon atoms of the double bond.

A. What is the electron-pair geometry for P in PBr4*? B. What is the electron-pair geometry for CI in CIF3?

This question has multiple parts. Work all the parts to get the most points. a Polarity of bonds in CH₂Cl₂ C-H: C-Cl: Which of the following molecules have net dipole moments? For the molecules that are polar, indicate the polarity of each bond and the direction of the net dipole moment of the molecule. Consider bonds nonpolar if they have an electronegativity difference of 0.4 or lower. Dipole with negative at C Dipole with negative at H

Expired air is 3.90% CO₂. What is the partial pressure of CO₂ in atm if the total pressure is 0.900 atm ? A. 4.80 atm B. 3.51 atm C. 0.0351 atm D. 0.0433 atm

The pressure in an experimental container of Campbell's primordial soup is 6.00 atm. The atmosphere is 25.0% 0₂. 15.0 % N₂, and the rest is H₂. What is the partial pressure of H₂? A. 0.900 atm B. 1.50 atm C. 3.00 atm D. 3.60 atm E. 6.00 atm

Answer the following about drawing the attractive force between a water molecule (H₂O) and a molecule of phosphorus trichloride (PCI). The water molecule is and the PCI3 molecule is a. diatomic b. linear c. bent d. pyramidal e. tetrahedral f. planar trigonal 4

Complete and balance the equation and describe what you observed when you added 6M HNO3: Cu(s) + HNO3(aq) →

1. List the two major functional groups present in the molecule. 2. Provide the molecule's name. 3. If there's anything that you debated about, you can discuss it. The hint is to find the higher priority functional group and treat the rest of the molecule like a substituent (or branched substituent)

Given the balanced equation for photosynthesis: C6H12O6 (s) + 602 (g) 6CO2 (g) + 6H2O (1) AH-2804 kJ How many moles of H₂O will be produced when -1402 kJ are produced?

The value of AH° for the reaction below is -336 kJ. Calculate the heat (kJ) released to the surroundings when 23.0 g of HCI is formed. CH4 (g) + 3Cl2 (g) → CHCl3 (1) + 3HCI (g) 177 kJ 2.57 × 10³ kJ 70.7 kJ 211 kJ -336 kJ

Meso compounds have chiral centers but the compound itself is achiral due to an internal plane of symmetry. Which one of these is (are) meso compounds? Build its model

Order the following ions from strongest to weakest base. Strongest base Drag and drop options on the right-hand side to reorder and match with items on the left. Reordering may cause items on the right-hand side to swap positions. Second strongest Weakest base

Consider the reaction 2N₂O(g) + 30₂(g) = 4NO₂(g) Exactly 0.0566 mol of O₂ and 0.014 mol of N₂0 were placed into a 500 ml. flask. The equilibrium concentration of NO₂ was 0.026 M. What is the value of K for this reaction?

A mixture of 0.326 M Cl₂, 0.431 M F₂, and 0.842 M CIF is enclosed in a vessel and heated to 2500 K. Cl₂(g) + F₂ (g) 2 CIF(g) K₂ = 20.0 at 2500 K Calculate the equilibrium concentration of each gas at 2500 K. [CI,) = [F₂] = [CIF] = M M M

Which of the following series of reactions represent how CF2Cl2 contributes to the destruction of the ozone layer? CF2Cl2 + energy (UV radiation)→ CF₂CI+ + Cl. CI. + 03- CI+ 02 CI+ CI+ 02 CF2Cl2 + energy (UV radiation)→ CCl₂F* + F. F. + 03- FO2 + O FO₂+OF+03 CF2Cl2 + energy (UV radiation) → CF2CI+ CI. Cl. + 03- CIO2 + 0. CIO₂ + CI. + 03 CF2Cl2 + energy (UV radiation)→ CCI₂F. + F. F. + 03- FO. + 02 FO+OF+ 02

Calculate the volume of 0.200-M NaOH solution needed to completely neutralize 98.3 mL of a 0.280-M solution of the monoprotic acid HNO3. ml NaOH

Draw the Lewis structure and upload images of the following molecules. Label them with the correct chemical name (1 pt each) and write the name of the molecular geometry (1 pt each). 1) SeO₂ 2) CF4 3) CO₂

Determine the degrees of unsaturation for a molecule with a molecular formula of C5H7N₂OCI (1.5 points). Then draw a Lewis structures of the molecule that includes a Ring and an Aldehyde (3.5 points). All atoms must have a formal charge of ZERO. Include all atoms and lone pairs and draw proper bond angles. There are multiple correct answers.

An elementary reaction is known to be bimolecular. What does this mean? A) Two molecules of products are made B) The order of the reaction is 2 C) Two molecules must collide at the same time D) Both A and B E) Both B and C

Consider the reaction. AgNO3(aq)+NaCl(aq) → NaNO3(aq)+AgCl(s) What is the total ionic equation for this reaction?

Write a balanced equation for the decomposition of ammonium nitrate to form molecular nitrogen, and water. (Hint: Balance oxygen last, since it is present in more than one molecule on molecular oxygen, the right side of the equation.)

Calculate the pH of a solution that is 0.540 Min pyridine (C5 H5N) and 0.460 M in pyridinium chloride (C5 H5NHCI).