For what purpose is ChloridePolyvinyl Chloride used?

Q: Describe how the purity of the prepared aspirin was evaluated from the results of the ferric…

A: To describe (a) how the purity of the prepared aspirin was evaluated from the results of the ferric…

Q: Why is acetylsalicylic acid crystal in appearance?

A: A question about crystallinity, which is to be accomplished.

Q: Aqueous sodium bicarbonate was used to wash the crude n-butyl bromide.a. What was the purpose of…

A: Crude n-butyl bromide is washed by sodium bicarbonate in the final step of synthesis.

Q: What is the purpose of the filter paper moistened with ammoniacal silver nitrate solution in the…

A: The functional groups are the key components associated with a molecule that is highly responsible…

Q: Write balanced equation for reaction of the acetanilide with potassium bromide and ammonium ceric…

A: Solution, The reaction have balanced by reaction of Acetanilide in the presence of potassium bromide…

Q: Why phenolphthalein cannot show any colour in pure water media?

A: Given: Phenolphthalein does not show any color change in pure water.

Q: The question is: Provide a method for separating a mixture of benzophenone and tributylamine which…

A: The mixture of Benzophenone and tributylamine in diethyl ether taken in a separating funnel then…

Q: How can the Eugenol content be separated from the alkaline solution?

A: Eugenol also known as clove oil. This oil is extracted from cloves and is used to treat toothache,…

Q: Assign the peaks in IR spectrum of Aspirin and the functional group band is dissociated with.

A:

Q: (b) Why is TEL no longer used as an anti-knocking agent?

A: Tetraethyl lead is used as an antiknock agent in gasoline in early 1920's. But now a days it is not…

Q: please explain why solubility of acetylinic compound in many bases?

A: Hydrocarbons that contain carbon-carbon triple are known as alkynes. The molecular formula of the…

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 chemical composition of the nitrating mixture?

A: Answer :- Nitrating mixture is mixture of concentrated nitric acid and concentrated sulphuric acid…

Q: The ___________ color test reagent turns purple in thepresence of heroin.

A: The color test reagent which turns purple in the presence of heroin is Marquis reagent.

Q: Importance or use of hexaamminecobalt(III) chloride.

A: Hexaamminecobalt(III) chloride has the formula [Co(NH3)6]Cl3 It is prepared by recrystallization…

Q: Does penta-methyl phenol produces a positive or negative result in ferric chloride test? Note the…

A:

Q: Identify The resulting color of the solution upon the addition of dilute sodium hydroxide in…

A: In phthalein dye test when limited sodium hydroxide reacts with phenolphthalein the colour is pink.…

Q: What is deliquescent salt?

A: Deliquescent salts have tendency to dissolve in the absorbed moisture and form their own solution.

Q: What is the Assay methods  of phenazopyridine?

A: Phenazopyridine is one of the drugs that is used to cure urinary tract infections. It is also used…

Q: Explain the chemical process for determining when all the methyl anthranilate is converted to…

A:

Q: . Sodium thiosulfate is identified by reaction with? A) Hydrochloric acid B) 8-hydroxyquinoline С)…

A:

Q: According to Marais et al. (2003), what are the advantages and precautions of using Ac-Di-Sol® as…

A: Ac-Di-sol, the best known superdisintegrant, is crosslinked sodium carboxymethylcellulose or…

Q: State the use of saturated sodium chloride in the purification of isoamyl acetate and how it acts?

A: Formation of isoamyl acetate can be done by  help of esterification method. In this process Acetic…

Q: E of acetylsalicylic acid in the tablets.

A:

Q: What is the role of copper (II) sulfate pentahydrate and arsenomolybdate reagent in Nelson's…

A: Reducing sugar can be defined as a compound containing aldehyde/ketonic group which can reduce…

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

A:

Q: 1) Calculate the volume of the concentrated sulfuric acid required. 2) What precautions are required…

A: Above equation is necessary for calculate the volume of concentrat H2SO4

Q: What is the concentration for vinegar for the 3 trials?

A: Vinegar contains acetic acid, the reaction with NaOH is: CH3COOH(aq) + NaOH (aq) → CH3COONa (aq) +…

Q: In the experimentation where we oxidize cyclohexanol with bleach (NaOCl). Why is it necessary to…

A: Because they are strong oxidizing agents, bleaches such as chlorine and sodium hypochlorite are able…

Q: Discuss in an essay the three proofs for the identification of Unknown in the chemicals test for…

A: The type of functional group present in a chemical compound can be determined with the help of IR…

Q: What best methods/techniques would you prefer more for caffeine extraction? Why?

A: Extraction techniques are used in organic chemistry to separate a certain compound from the mixture.…

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: What forms from the substance of mixed with chloroform with a presence of KOH

A:

Q: Explain why bisulfite ion is atmopheric.

A: The ion given is bisulfite ion i.e. HSO3-.

Q: Does heptanol and benzaldehyde precipitate and gives a positive iodoform test? Explain.

A: Iodoform test is used to detect a compound with terminal -CH3 group immediate neighbour to alcohol…

Q: Why is it so important to use only dry glassware and solvents when you hope to perform a…

A: Solution (a) when we proceed any reaction we must have to ensure that reactant must have no impurity…

Q: reaction of dialysate with iodine solution?

A: Iodine is the heaviest of the stable halogens. It has a lustrous purple black colour. Dialysate…

Q: What is magnesium sulfate used for at the end of the extraction? How can it be removed?

A: Magnesium sulphate is a drying agent, 8t is used to remove the water from organic extract. Magnesium…

Q: If the synthesized aspirin was not dried before melting point determination, what would be its…

A: If the synthesized aspirin was not dried before melting point determination, then some amount of…

Q: How do i separate powder it contains sodium bicarbonate,tartaric acid and citric acid by HPLC or…

A: You can add water to the given mixture. Sodium bicarbonate will dissolve in water, to this add ethyl…

Q: What is the Assay methods  of phenazopyridine ? With illustration.

A: Phenazopyridine is one of the drugs that is used to cure urinary tract infections. It is also used…

Q: Define Separation of benzoic acid and cyclohexanol by an extractionprocedure ?

A: Solvent used : Ethyl acetate Wash used to dissolve benzoic acid : NaOH Add water to this mixture of…

Q: Why does zinc hydroxide dissolved in excess sodium hydroxide?

A: Given Compound =Zinc HydroxideChemical formula = Zn(OH)2 Condition = Excess of sodium hydroxide

Q: Why does the nylon form at the interface of sebacoyl chloride and hexamethylene diamine?

A: We have to discuss the reason as to why nylon is formed at the interface of sebacoyl chloride and…

Q: what is the reaction of acetone in Sodium nitroprusside and in Iodoform tests?

A: Given: Reaction of acetone in Sodium nitroprusside and in Iodoform tests.