Homework Answers
As benzoate ion is more soluble in water, thus benzoate ion is more polar than benzoic acid.In another way benzoate ion has negative charge where as benzoic acid is neutral.For this reason also benzoate ion is more polar than benzoic acid.
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15. Benzoate ion is very soluble in water, but benzoic acid is not. Based on this...
Why is water solubiilty of benzoic acid significantly less than the water solbilty of the benzoate...
Why is water solubiilty of benzoic acid significantly less than the water solbilty of the benzoate ion? Briefly explain and relate to the partition coefficient (kD).
. Which of the following statements is not true regarding benzoic acid acids? a. The neutral...
. Which of the following statements is not true regarding benzoic acid acids? a. The neutral acid is the predominant species in aqueous solution at pH <2. b. The anionic carboxylate is the predominant species in aqueous solution at pH >7. c. Sodium benzoate is less soluble in water than benzoic acid. d. Benzoic acid is extracted out of diethyl ether by treatment with aqueous sodium bicarbonate. ANSWER: c Can you explain why the answers a,b,d are wrong please
Let's assume you have a mixture of equal parts benzoic acid, sand and toluene that are...
Let's assume you have a mixture of equal parts benzoic acid, sand and toluene that are intimately mixed together (the crude material is a mixture of solid and liquid). Propose a procedure to separate these three components using any of the chemicals commonly available (you've used all of the "common" chemicals in the lab by now) in the organic chemistry teaching laboratories and observing the typical limitations with the instruments and techniques (such as not being able to distill or...
what is the acid? base? how would you determine this? which one is soluble in water(the...
what is the acid? base? how would you determine this? which
one is soluble in water(the one that is charged)? which one is
soluble in Et2O? draw electron pushing arrows to show base
attacking acod. draw products.
Organic Chemistry I Lab CHEM 2211L School of Science & TUNIUI Georgia Gwinnett College REMEMBER: • ALWAYS draw the Lewis Dot Structures, with all lone electrons - helps you figure out which compound attacks/is attacked. • Neutral, non-charged organic compounds are almost always...
5. The equilibrium constant (K) for the formation of methyl benzoate from methanol and benzoic acid...
5. The equilibrium constant (K) for the formation of methyl benzoate from methanol and benzoic acid at 25°C is 3.77. Use the equation for the equilibrium constant to calculate the theoretical yield of methyl benzoate for the following conditions. (6 marks) a) With equal initial amounts of the reactants (1 mole of each reactant) b) With a threefold (x 3) excess of methanol (1 mole of benzoic acid and 3 moles of methanol) 6. Suggest a chemical reaction (include structures...
Phenytoin is an extremely weak acid, pKa 8.3, with very poor water solubility. Solubility of the...
Phenytoin is an extremely weak acid, pKa 8.3, with very poor water solubility. Solubility of the sodium salt in water is 15 g/L, and in ethanol it is 95 g/L. It is freely soluble in warm propylene glycol and it has a molecular weight of 274.3. We are going to prepare five 5 mL vials of this product. With its poor water solubility, how would you propose that the required concentration of 50 mg/mL be achieved and which and how...
Question 1 (1 point) Oil-based paints are not soluble in water, but they do dissolve in...
Question 1 (1 point) Oil-based paints are not soluble in water, but they do dissolve in nonpolar solvents. Given this information, oil-based paints must be saturated hydrocarbons unsaturated hydrocarbons hydrophilic hydrophobic alkanes Question 2 (1 point) Use the following terms to answer the question(s) below. A. This reaction is the dissociation of a strong acid. B. This reaction is the dissociation of a weak acid. C. This is the reaction of a strong base. D. This is the reaction of...
What are the desirable characteristics of a solvent to be used in the recrystallisation of a...
What are the desirable characteristics of a solvent to be used
in the recrystallisation of a solid product? (Hint: what is the
underlying purpose of doing recrystallisation, aside from making
the product look attractive?)
EXPERIMENT5 PREPARATION OF BENZOIC ACID Oxidation of a Primary Alcohol In this experiment, a primary alcohol (benzyl alcohol) is oxidised to a carboxylic acid (benzoic acid) by a strong oxidising agent (potassium permanganate) Because the synthesis reaction is carried out in basic conditions, the carboxylic acid...
Group I Cations A INTRODUCTION Most metal halides are soluble in water and dilute hydrochloric acid....
Group I Cations A INTRODUCTION Most metal halides are soluble in water and dilute hydrochloric acid. The exceptions are silver ion, Ag mercurous ion, Hg,: and lead(II) ion, Pb. Consequently, the addition of HCI to a solution of metal cations leads to the selective precipitation of these three ions. While the theory behind the separation and identification of these ions has been outlined in the general discus- sion of the qualitative analysis scheme, some aspects of this chemistry need to...
Question 1: Vitamin C, a water-soluble vitamin and vitamin D, a fat-soluble vitamin are both essential...
Question 1: Vitamin C, a water-soluble vitamin and vitamin D, a fat-soluble vitamin are both essential in our diets, but they're very different in many ways. Compare these vitamins and discuss three ways in which they differ, giving specific examples for each difference. You will need to defend your answer using specific facts, data, and other information drawn from the textbook and at least one other supplemental source. Boyd is very overweight, smokes and is on a high protein weight...
what is the acid? base? how would you determine this? which
one is soluble in water(the one that is charged)? which one is
soluble in Et2O? draw electron pushing arrows to show base
attacking acod. draw products.
Organic Chemistry I Lab CHEM 2211L School of Science & TUNIUI Georgia Gwinnett College REMEMBER: • ALWAYS draw the Lewis Dot Structures, with all lone electrons - helps you figure out which compound attacks/is attacked. • Neutral, non-charged organic compounds are almost always...
5. The equilibrium constant (K) for the formation of methyl benzoate from methanol and benzoic acid at 25°C is 3.77. Use the equation for the equilibrium constant to calculate the theoretical yield of methyl benzoate for the following conditions. (6 marks) a) With equal initial amounts of the reactants (1 mole of each reactant) b) With a threefold (x 3) excess of methanol (1 mole of benzoic acid and 3 moles of methanol) 6. Suggest a chemical reaction (include structures...
Question 1 (1 point) Oil-based paints are not soluble in water, but they do dissolve in nonpolar solvents. Given this information, oil-based paints must be saturated hydrocarbons unsaturated hydrocarbons hydrophilic hydrophobic alkanes Question 2 (1 point) Use the following terms to answer the question(s) below. A. This reaction is the dissociation of a strong acid. B. This reaction is the dissociation of a weak acid. C. This is the reaction of a strong base. D. This is the reaction of...
What are the desirable characteristics of a solvent to be used
in the recrystallisation of a solid product? (Hint: what is the
underlying purpose of doing recrystallisation, aside from making
the product look attractive?)
EXPERIMENT5 PREPARATION OF BENZOIC ACID Oxidation of a Primary Alcohol In this experiment, a primary alcohol (benzyl alcohol) is oxidised to a carboxylic acid (benzoic acid) by a strong oxidising agent (potassium permanganate) Because the synthesis reaction is carried out in basic conditions, the carboxylic acid...
Group I Cations A INTRODUCTION Most metal halides are soluble in water and dilute hydrochloric acid. The exceptions are silver ion, Ag mercurous ion, Hg,: and lead(II) ion, Pb. Consequently, the addition of HCI to a solution of metal cations leads to the selective precipitation of these three ions. While the theory behind the separation and identification of these ions has been outlined in the general discus- sion of the qualitative analysis scheme, some aspects of this chemistry need to...
Question 1: Vitamin C, a water-soluble vitamin and vitamin D, a fat-soluble vitamin are both essential in our diets, but they're very different in many ways. Compare these vitamins and discuss three ways in which they differ, giving specific examples for each difference. You will need to defend your answer using specific facts, data, and other information drawn from the textbook and at least one other supplemental source. Boyd is very overweight, smokes and is on a high protein weight...
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