Why is it necessary to extract the ether layer with sodium hydroxide ?Write a chemical equation...
Homework Answers
t depends on the overall reaction. If the carboxylic acid is an
impurity in the reaction (undesired), then washing with sodium
hydroxide will extract the carboxylic into the aqueous layer, and
it can then be disposed. The reaction for this looks as
follows:
(ring)-COOH + NaOH -> (ring)-COO-Na+ + H20
Where the ring loses a proton to the hydroxide ion and becomes
water soluble.
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Why is it necessary to extract the ether layer with sodium hydroxide ?Write a chemical equation...
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Write the balanced chemical equation for each of the reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. equation: However, when additional aqueous hydroxide is added, the precipitate redissolves, forming a soluble [Pb(OH)4]2−(aq)[Pb(OH)4]2−(aq) complex ion. equation:
Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide...
Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead nitrate, a solid precipitate forms. However, when additional aqueous hydroxide is added the precipitate redissolves forming a soluble [Pb(OH)_4]^2- (aq) complex ion.
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5) Refer to the following information for parts a-e: Sodium hydroxide solutions are common in chemical manufacturing, used in everything from the production of soaps to explosives. How could a chemist prepare 5.0 L of a 2.0 M aqueous stock solution of sodium hydroxide? b. Through dilution of the stock solution in Parta, how could a chemist prepare 250 mL of 0.5 M aqueous sodium hydroxide solution c. To safely dispose of solutions of strong bases like sodium hydroxide, it...
Write the balanced chemical equation for each of the reactions. Include phases. When aqueous sodium hydroxide...
Write the balanced chemical equation for each of the reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. equation: 2 NaOH + Pb(NO3)2 + Pb(OH), + 2NaNO, However, when additional aqueous hydroxide is added, the precipitate redissolves, forming a soluble (Pb(OH),12- (aq) complex ion. equation: Pb(OH), +20H (Pb(OH) 2 -
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Why did you wash the ether solution with sodium bicarbonate? Write chemical equations for the reactions that took place. b. At which purification steps was the unreacted methanol removed in the reaction? Some of it may have been removed in more than one place. c. Three-Step Synthesis of Methyl Anisate (Step 3) 0 CHOH. Н.so, cat.) Wear gloves. Methanol is poisonous. Ether is an anesthetic, so don't breathe it. Sulfuric acid is a strong corrosive acid. Wash any you spill...
1. Benzene is often produced as a side product during Grignard be explained? Give a balanced equation for its formation. 2. Write a balanced equation for the reaction of benzoic acid with reactions using phenylmagnesium bromide. How can its formation hydroxide ion. Why is it necessary to extract the ether layer with sodium hydroxide? 3. Interpret the principal peaks in the infrared and NMR spectra of benzoic acid
Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead nitrate, a solid precipitate forms. However, when additional aqueous hydroxide is added the precipitate redissolves forming a soluble [Pb(OH)_4]^2- (aq) complex ion.
5) Refer to the following information for parts a-e: Sodium hydroxide solutions are common in chemical manufacturing, used in everything from the production of soaps to explosives. How could a chemist prepare 5.0 L of a 2.0 M aqueous stock solution of sodium hydroxide? b. Through dilution of the stock solution in Parta, how could a chemist prepare 250 mL of 0.5 M aqueous sodium hydroxide solution c. To safely dispose of solutions of strong bases like sodium hydroxide, it...
Write the balanced chemical equation for each of the reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. equation: 2 NaOH + Pb(NO3)2 + Pb(OH), + 2NaNO, However, when additional aqueous hydroxide is added, the precipitate redissolves, forming a soluble (Pb(OH),12- (aq) complex ion. equation: Pb(OH), +20H (Pb(OH) 2 -
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