Predict which of the following species is the most acidic. Explain. (A) Phthalimide (B) Benzamide
The dissociation pK for acetic acid is 4.76. Suppose that we dissolve a mole of this weak acid in 10L of water. Find the pH of the resulting solution. What fraction of acetic acid molecules dissociated?
An unknown compound X, is thought to have a carboxyl group with a pka of 2.0 and another ionizable group with a pka between 5 and 8. When 75 ml of 0.1 M NaOH was added to 100 ml of a 0.1 m solution of X at pH 2.0, the pH increased to 6.72. Calculate the pKa of the second ionizable group of X.
a. If you were carrying out an industrial scale synthesis in which one step involved a haloform reaction to convert a methyl ketone into the corresponding acid having one less carbon atom, would you use NaOH and Cl2, NaOH & Br2, or NaOH and I2 reagent? Give reasons. b. Write a balanced equation for the conversion of C6H5CHO
A. Predict which of the following species is the most acidic, phthalimide or benzamide. Explain. b. What product would you expect to obtain from the reaction of one equivalent of propanol with phthalic anhydride?
I am having difficulty predicting products of chemical reactions examples. Please review my work and give me feedback: AgNO3 + NaBrO3 -> AgO3 + NaNO3 + Br Hg2S + NH4NO3 -> Hg2N2H2 + SO3 Pb(OH)2 + CuNO3 -> PbNO3 + Cu(OH)2 Li + SnOH -> LiOH + Sn
In the aldol condensation with benzaldehyde + acetone (NaOH, ethanol) --> dibenzalacetone Why is it essential that the aldehyde component contain none of the corresponding acid?
Calculate [H+], [HA] and [H2A] for a 0.1M solution of the weak dibasic acid H2A. Given: H2A=H+ + HA- Ka1=2.0 X 10-5 HA- = H+ + HA- Ka2=1.00 X 10-12
Propose a method to carry out the following synthesis. Use inorganic reagents only. Show all reagents, relevant reaction conditions and synthetic intermediates. CH3(CH2)16COOH ---> CH3(CH2)COO(CH2)17CH3
1. Draw the structural formula for ethanol, 2-propanol and 2-methyl2-propanol. 2. Write the reaction between sodium bicarbonate and benzoic acid. 3. Write the structure of ester derived from benzoic and methanol.
What is the reaction mechanism (see the attachment)?
How do you do this kind of problem (see the attachment)?
How would you synthesize Phosphine? There are a number of methods but I would like to know the preferred choice. thanks
Hi, I need assistance with the following questions: 1) If the acid dissociation constant, Ksuba, for an acid HA is 8 x 10^-4 at 25 degree C, what percent of the acid is dissociated in a 0.50 M solution of HA at 25 degree C? 2) Equal numbers of moles of Hsub2(g), Ar(g), and Nsub2(g) are placed in a glass vessel at room tempe
Question: At the pH 7.1, what is the ratio of plasma (HCO3-) to (CO2) is?
Question: A respiratory acidosis is partially compensated to pH 7.3. If pCO2 is 70 mmHg, the plasma (HCO3-) is what?
What is the product of the reaction attached? Please indicate electron transfer and stereochemistry. What kind of compound is the initial reactant the final product?
Solving a Reaction Problem If you had 3g of 4-chlorobenzoic acid dissolved in ether, how many ml of a 4M NaOH solution would be needed to react with it all?
Calculating the relationship between pKa for an acid-base indicator and the pH at which it changes colour.
What is the relationship between the pKa for an acid-base indicator and the pH at which the indicator changes colour? pH=?
What fraction of an acetic acid/sodium acetate buffer (pka of acetic acid = 4.76) is present in the acidic form at pH = 5.20?