Aldehydes & Ketones Questions and Answers

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.