In the Separating Acids and Neutral Compounds by Solvent Extraction experiment, why was sodium sulfate added to the tert-butyl methyl ether layer ? Group of answer choices to acidify the compounds to deprotonate the compounds to precipitate the compounds to remove traces of water

Q: Benzoic acid and water were added to the test tube labeled "b.a." After stirring the mixture, sodium…

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Q: 1.Describe other melting point apparatus that are available for routine analysis. 2. Explain the…

A: Melting point apparatus that are available for routine analyis:-

Q: 1. Explain the differences in melting point of these test compounds by relating with their…

A: Hydrogen bonding is a type of bonding between an electronegative atoms like oxygen, nitrogen,…

Q: At pH 11 the phenol deprotonates, Why is the pka now 10, give relationship between pka and pH during…

A: The given structure is,

Q: What will happen to Dichloromethane when it is added to Silver nitrate? Does it gives a postive…

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Q: For which titration is phenolphthalein the best choice? Explain your reasoning and support with…

A: Titration is a technique in which a solution of known concentration is treated with a solution of…

Q: Write the letter that corresponds with the compound described by the following statements. It will…

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Q: Since EDTA titration must be done at pH 10, which procedure will help in removing the HCl in the…

A: Answer - EDTA - Ethylenediaminetetraacetic acid (EDTA) is an aminopolycarboxylic acid with the…

Q: Name the test that you should follow for the reaction of tert-butylamine with benzenesulfonyl…

A: In order to distinguish between primary, secondary, and amine, Hinsberg’s test is carried out using…

Q: Aspirin Synthesis Concisely explain the reason(s) for the following steps/procedures in aspirin…

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Q: A student rushed through this experiment, but noted some procedural errors in their lab…

A: Remember, during titration we follow: N1V1 = N2V2 If N2V2 is considered for unknown solution then…

Q: 1. The substance to be analyzed – is white, highly soluble in water salt. Addition of diluted…

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Q: What is the effect of adding DNOC?

A: DNOC, also known as 4,6-Dinitro-ortho-cresol, is an organic compound that appears as a slightly…

Q: For the synthesis of isoamyl acetate by Fischer esterification, some common solvents that form…

A: Fischer esterification is a condensation reaction between an alcohol and carboxylic acid forming…

Q: Consider a ternary (three-component) system of amphiphile, hydrocarbon, and water. What structure do…

A: Amphiphiles are substances that have a non-polar hydrophobic portion and a polar hydrophilic end.…

Q: Why is it necessary to keep all materials dry in Grignard reactions?

A: The Grignard reactions are used for the alcohol synthesis, which involves the addition of…

Q: 1. Would the isomerization of maleic acid occur if the reaction were performed in neutral water? 2.…

A: Since you have asked a multiple sub-part question, we will solve the first three sub parts for you.…

Q: What is the expected visual observation when ether and hot, acidic potassium permanganate were mixed…

A: acidic potassium permangnate is an strong oxidizing agent.

Q: What is the role of Sodium metal in Lassaigne's extraction?

A: For preparing Lassaigne's extraction, Chemical compound is fused in presence of sodium metal in…

Q: 4.Assay of acetic acid in vinegar is an example of proximate analysis 5.Example of variable defects…

A: In reference to the given 4th statement, Proximate analysis is the quantitative analysis of…

Q: A bottle of NaCl reagent kept in a school lab stockroom was inadvertently contaminated with…

A: Naphthalene is a substance which can convert directly from its solid state into vapor on heating…

Q: What challenges would you encounter with the titration if you had used apple cider vinegar or…

A: Answer is explained below.  When as an analyte in the titration, apple cider vinegar or balsamic…

Q: A student is performing an acid-base extraction on unknown compounds, and she extracts the organic…

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Q: Which of the following are produced when an unknown sample is heated with concentrated sulfuric acid…

A: 1. When sample is heated with conc. sulfuric acid nitrogen dioxide or NO2 is produced.…

Q: why do you have to stir when adding sodium nitrite to a solution when forming a diazonium salt?

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Q: For a strong acid with a strong base neutralization reaction, does the reactant 1 : reactant 2 :…

A: Some of strong acid + strong base reaction are: (i). HCl + NaOH →NaCl + H2O (ii). H2SO4 + NaOH…

Q: Discuss the role of the following reagents in the liquid-liquid extraction of dye. Vinegar Baking…

A: Components are partitioned between an aqueous layer and the organic layer in the liquid-liquid…

Q: 8. A student was asked to find the acid and basic radicals in six simple salts provided to him…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Calculate the Initial Concentration, in units of Molarity, for each reagent used in each of the…

A: Molarity of the prepared solutions for the purpose of experiment or the initial concentration of…

Q: What effect will happen to the volume needed to reach bromocresol green end point, if Na2CO3 was…

A: Bromocresol green(BCG) endpoint is obtained for the conversion of NaHCO3 to H2CO3 (CO2+H2O).  The…

Q: Phenol vs salicylic acid Both of them undergo Esterification where acetic anhydride is added to both…

A: Esterification reaction is a type of nucleophilic substitution reaction of carbonyl compounds. In…

Q: (a) Why is an ethanol/water mixture used as the solvent rather than just water?  (b) Why does the…

A: (a) Why is an ethanol/water mixture used as the solvent rather than just water?  (b) Why does the…

Q: Why are ice and water added to the reaction mixture after the reaction was completed?

A: The reason for why ice and water were added to the reaction mixture after the reaction was completed…

Q: A student prepares ethyl benzoate by the reaction of benzoic acid with ethanol using a sulfuric acid…

A: The ester functional group is identified as R(CO)OR', where R and R' can be an alkyl or aryl groups.…

Q: Why does p-nitroacetanilide recrystilise in ethanol but o-acetanilide remains in the filter

A: Recrystalization of p-nitroacetanilide and O-acetanilide by using ethanol. p-nitroacetanilide can be…

Q: What is a spectrophotometer used for in a cobalt chloride solution analysis

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Q: Explain and describe iodination of benzene using cupric chloride

A: when iodine react with cupric chloride ,iodine cation form which then reacts with benzene to form…

Q: Sodium hydroxide and Hydrochloric acid mixture If concentrated nitric acid were used in…

A: Hydrochloric acid : HCl  Nitric acid : HNO3

Q: Solubility of Amines in Acid Put 2 ml of water in a 10x75-mm test tube. Add 5 to 10 drops of…

A: Upon addition of acids the aniline forms the ionic compounds and becomes soluble in water but upon…

Q: why is there bubbles formed when aniline was added to concentrated HCl?

A: Aniline is basic in nature and HCl is an acid. So, acid-base reaction will take place.

Q: A mixture of benzoic acid and naphthalene was separated by a liquid-liquid extraction by converting…

A: Here we have to choose the correct option about how can be the benzoic acid can be recovered after…

Q: What makes bromocresol green and phenolphthalein suitable for the double-indicator process?

A: An indicator is added to a solution based on whether it is acidic or basic and what pH is being…

Q: Briefly explain how you determined when the reaction was complete PROCEDURE To a six inch test tube…

A: Please find your solution below : Chromatography is an analytical technique used for the separation…

Q: As seen on the side, KMN04 solution is purple violet. Purple violet color disappears when added on…

A: First consider the state of Mn in MnO4- In this species the oxidation number of Mn is +7 which is…

Q: In the aspirin synthesis experiment, what is the reason for using as little ethanol as possible to…

A: We have to see some condition before we recrystallize our compound like,. The solvent should not…

Q: Draw flow chart for the extraction of mixture containing         a. Acid and Base

A: Given : mixture of an acid and base.  To find : Draw a flow chart of acid base extraction.  Solution…

Q: Which of the following procedures leads to obtaining purer and larger crystallized particles?…

A: Crystallization is the process in which solute is made to be dissolved in hot solvent and when this…

Q: The substance to be analyzed – is white, highly soluble in water salt. Flame coloration test gives…

A: The analysis of compounds can be done based on the different analytical methods. For example, it can…