Questions
Assuming each solution to be 0.10 M , rank the following aqueous solutions in order of decreasing pH.

Assuming each solution to be 0.10 M, rank the following aqueous solutions in order of decreasing pH.

Rank the solutions from the highest to lowest pH. To rank items as equivalent, overlap them

N2H2

Ba(OH)2

HOCL

NAOH

HCL

 

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calculate the percent ionization of ha in a 0.10 m solution.

A certain weak acid, HA, has a Ka value of 6.7 X 10^-7.

Part A

Calculate the percent ionization of HA in a 0.10 M solution. Express your answer to two significant figures and include the appropriate units.

Part B

Calculate the percent ionization of HA in a 0.010 M solution.

Express your answer to two significant figures, and include the appropriate units.

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The Gabriel synthesis transforms an alkyl halide into a primary amine via a two-step process.

The Gabriel synthesis transforms an alkyl halide into a primary amine via a two-step process. Follow the directions below to draw the initial mechanism and final products. Draw curved arrows to the next step. Draw the missing nonbonding electrons, charge and curved arrows. The first three steps are correct. I am unsure about how to complete the final step. 

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Draw the structure of the organic product of each reaction in the following two-step synthesis.

Draw the structure of the organic product of each reaction in the following two-step synthesis.

 

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Draw the structures of the organic products in each reaction of the following two-step synthesis.

Draw the structures of the organic products in each reaction of the following two-step synthesis. (Hint: The nucleophilic amine attacks the electrophilic carbonyl carbon, and the resulting intermediate undergoes a proton shift and dehydration. Recall what is eliminated in a dehydration process. The second step is a reduction reaction; the reducing agent is NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by these reagents. Look at the product of the first reaction and consider what can be easily reduced.)

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Primary amines can be converted into secondary amines by reaction with haloalkanes. This reaction is difficult to achieve in the lab because of the large number of byproducts.

Primary amines can be converted into secondary amines by reaction with haloalkanes. This reaction is difficult to achieve in the lab because of the large number of byproducts. Select the possible products/ byproducts of the following reaction.

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Draw the organic product in each of the following reactions. Include formal charges, if applicable. Omit any inorganic byproducts or ions.

Draw the organic product in each of the following reactions. Include formal charges, if applicable. Omit any inorganic byproducts or ions.

 

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Draw the organic product for the following reaction. Omit any inorganic byproducts or ions.

Draw the organic product for the following reaction. Omit any inorganic byproducts or ions.

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The Fischer esterification mechanism is examined in the following two questions in the assignment.

The Fischer esterification mechanism is examined in the following two questions in the assignment. Part 1 involves MeOH addition to form the key tetrahedral intermediate. Part 2 will involve loss of H2O to form the ester.

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One mole of acetyl chloride was mixed with one mole of dimethylamine.

One mole of acetyl chloride was mixed with one mole of dimethylamine. After the reaction is complete, what species can be found in the mixture? Draw only the organic structures (i.e., omit inorganic ions). Show charges where necessary.

 

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Draw the product(s) formed by heating the following compound in acidic methanol.

Draw the product(s) formed by heating the following compound in acidic methanol.

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Draw the structure of the aromatic product from the following reaction

Draw the structure of the aromatic product from the following reaction

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N-Methyl-2-pyrrolidone is an aprotic solvent used in many industrial processes. Draw the structure of the product formed when it is heated with strong aqueous acid 6MHCI, H20 and heat.

N-Methyl-2-pyrrolidone is an aprotic solvent used in many industrial processes. Draw the structure of the product formed when it is heated with strong aqueous acid 6MHCI, H20 and heat.

 

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Draw the organic products formed in the following reaction.

Draw the organic products formed in the following reaction.

Draw the organic products formed in the following reaction.

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Carboxylic acids can be made by the hydrolysis of nitriles, which in turn can be made from an alkyl halide.

Carboxylic acids can be made by the hydrolysis of nitriles, which in turn can be made from an alkyl halide. Draw the structures of a starting alkyl bromide and the intermediate nitrile that would be used in the synthesis of 3-methylbutanoic acid (isovaleric acid) Do not show free ions.

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