Aldehydes & Ketones Questions and Answers

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

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

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 reactions of Carbonyl compounds require a tight pH control? Give the reaction, give the recommended pH range, explain why?

True False: The product of a hydrogenation reaction of an aldehyde or a ketone is an ester True False

For each chemically-distinct set of protons in the following molecule, predict its a) relative integration, b) splitting pattern, and c) chemical shift (for example: 2H triplet @ 7.5 ppm).

1. a) Write a detailed mechanism for the formation of dibenzalacetone. b) Give the IUPAC name of dibenzalacetone. c) Do you expect the configuration of the double bonds in this compound to be E, Z, or a mixture of both? Why?

Bismuth-214 can decay to form either polonium-214 or thallium-210, depending on what type of radiation is emitted. Write a balanced nuclear equation for each process. Give all nuclei in the form X. Bismuth-214 to polonium-214 decay: Bismuth-214 to thallium-210 decay: F

Select all the solvents/solutions in which you would expect this compound to dissolve: Ethyl acetate Dilute aqueous sodium bicarbonate Dilute aqueous NaOH Dilute aqueous HCI

Draw the skeletal ("line") structure of cis-5-methyl-2-hexene.

Predict the aldol product that would result when the following aldehyde is allowed to react under the following conditions: HCl, H₂O, heat Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and charges), Atoms, and Templates toolbars.

Synthesize the following compounds from the given starting material. You can add on on any alkyl/ alkyl halide under 8 carbons or any necessary inorganic reagent needed (this includes triphenyl phosphine (Ph3P). Please draw all intermediates and reagents necessary to get to the product.

The 2009 government bailout of automotive companies was an example of The expressed powers of the Federal Government The implied powers of the Federal Government The implied powers of State governments The expressed powers of State governments

Which of the following is the best example of a comma splice? A. Using a comma with a coordinating conjunction to make a complex or compound sentence B. Using a comma incorrectly C. Using two commas when only one is needed D. Using a comma to join independent clauses that could stand alone as sentences

The carbonyl group consists of carbon and oxygen attached by a double bond a carbon-oxygen-carbon attached by single bonds carbon and oxygen attached by a triple bond carbon-oxygen-hydrogen attached by single bonds carbon and oxygen attached by a single bond

Benzene has a 6-carbon ring, with alternating single and double bonds. Consider a benzene molecule in which a hydrogen atom is replaced by an aldehyde functional group. Draw the molecule produced.

The rate of a given reaction will increase as the orientation specificity decreases. rate constant increases. activation energy decreases. temperature increases. All of the factors listed.

Consider the formaldehyde (CH₂O) molecule. What is the central atom? Enter its chemical symbol. How many lone pairs are around the central atom? 0 What is the ideal angle between the carbon-hydrogen 0 bonds? Compared to the ideal angle, you would expect the actual angle between the carbon-hydrogen bonds to be...

Bleach is everyone's goto for cleaning up spills of biological fluids (deliberate or not). The conjugate acid of the active component in bleach is hypochlorous acid, HOCI(aq), which, it turns out, is rather a weak acid. (a) State the expression for the ionic product constant of water, Kw. (1 point) (b) The active component of household bleach is sodium hypochlorite, NaOCI(aq), at a concentration of 0.705 mol dm³. The hypochlorite ion, OCI (aq), is a weak base. OCI (aq) + H₂O(1) --> HOCI(aq) + OH(aq) (i) The pka value of HOCI(aq) is 7.52. Determine the Kb value of OCI-(aq) assuming a temperature of 298 K. (ii) Determine the concentration of OH-(aq), in mol dm-3, at equilibrium and state one assumption made in arriving at your answer other than a temperature of 298 K. (iii) Calculate the pH of the bleach.

Question 1 (1 point) Use the balanced equation to answer the following question. C5H12 +802 --> 5CO₂ + 6H₂O i. 2C5H12:402 ii. C5H12 : 802 iii. C5H12 : 6H₂O iv. C5H12 : 6CO₂ What are the possible molar ratios for C5H12 in the equation above? Ratios iii and iv are correct. Ratio i, ii, and iv are correct. Ratio i and ii are correct. Ratios ii and iii are correct.

Action of Grignard's reagent on carbonyl compounds followed by hydrolysis gives alcohols. How many different combinations of Grignard's reagent and carbonyl compounds are possible to prepare all structural isomeric butyl alcohols?

The correct statement regarding addition of sodium hydrogen sulphite to a carbonyl compound is (A) The attack happens by the negative charge on oxygen (B) The rate of addition is always greater for ketones than aldehydes (C) Bisulphite addition product cannot be hydrolysed in basic medium (D) It can be used as a method to purify and separate aldehyde

number of carbon atoms, while acetylene has an even number of carbon atoms A reaction shows acetylene with SMILES string C#C to form pentanal with SMILES string CCCCC=O. The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. O3:2) DMS B. R2BH; 2) H2O2, NaOH C. NaNH₂ D. H2, Lindlar's cat. E. 1-bromopentane F. H₂, Pt G. 1 - bromobutane H. H2SO4, H2O, HgSO4 I. EtBr I EtBr

From the table of reagents, select the reagents and conditions necessary to carry out the following reaction. 0²-0 a 9 OH Table of reagents a. NaBH, then H₂O* b. PBr3 c. Mg in dry ether, then CH₂-O, then H₂O* d. Dess-Martin Periodinane e. CH CH₂MgBr in dry ether, then H3O+ f. POCI3, pyridine

Provide the structure of the product which results when the alkene below is treated with O₂ followed by (CH3)2S. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas.

Draw a structural formula for the organic anion (i.e., do not include NH4) formed when ethanal is reacted with Tollens reagent. Don't forget the charge on the ion. . You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. Include all nonzero formal charges.