An unknown compound is suspected to be acetanilide (mp 113.5-114). What would happen to the melting point if this unknown were mixed with an equal quantity of pure acetanilide?  The melting point would remain close to the authentic sample melting point. none of these answers are correct. the mix sample would show a melting point elevation. the mix sample would show a melting point depression.

Q: If your unknown was a 7:3 mixture of dichloromethane and toluene, and you are distilling 50 mL of…

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Q: A mixture of the two compounds shown below is dissolved in ether. Using the information given in the…

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Q: A student is working with cinnamic acid (lit. mp 133 °C) and sebacic acid (lit. mp 133 °C). After…

A: Cinnamic acids can be synthesised from aromatic aldehydes and aliphatic carboxylic anhydrides in the…

Q: Ethylene diamine (bp 116 °C) and water form a maximum boiling azeotrope (bp 120 °C); the azeotropic…

A: To sketch the distillation curve, we need to plot the temperature of the vapor that is being…

Q: What is the main concern with trying to distill azeotropic mixtures?  options: 1- Specialized…

A: Answer:Solution is a homogeneous mixture of two or more components. Azeotrope is one of the types of…

Q: Consider the following information: Ksp(BaSO4) = 1.1 x 10-10 Ksp(CaSO4) = 4.9 x 10-5 Ksp(PBSO4) =…

A:

Q: Fractional distillation lab What is the purpose of distillation? What is the theory of fractional…

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Q: Imagine your original mixture had contained a component capable of sublimation, such as naphthalene.…

A:

Q: You have 100 mL of an organic acid solution in water which contains 0.30 g acid. The distribution…

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Q: In a distillation of a mixture of acetone (bp. 56°C and dichloromethane bp. 40°C), a fraction…

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Q: Suppose you have a mixture of saturated aqueous sodium chloride (brine) and your…

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Q: If a liquid mixture containing 80 mole % B were distilled using an efficient fractional distillation…

A: If a liquid mixture containing 80 moles percent  B were distilled using an efficient fractional…

Q: Need help determining the boiling point from the distillation graph of 2-methylcyclohexanol with a…

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Q: A student was careful to make and stir all of her standard solutions immediately before measuring…

A:

Q: How could we verify that two different samples, with the same melting points, are the same compound?…

A: Melting point of pure compound is always sharp or have very narrow range  Melting point of mixture…

Q: b. When added to an immiscible mixture of dichloromethane and water, which layer would you expect…

A: The given compounds are Limonene Acetic acid benzaldehyde

Q: Procedure. IODOFORM TEST 1. Put 10 drops of the following compounds into separate test tubes: ethyl…

A: As we are given the four reactants that are ethyl alcohol, propyl alcohol, isopropyl alcohol and…

Q: 0.030 moles of a weak acid, HA, was dissolved in 2.0 L of water to form a solution. At equilibrium,…

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Q: Suppose you wanted to prepare a eutectic mixture of naphthalene and diphenylamine. Determine the…

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Q: Emmett, a sophomore chemistry major, was trying to separate an unknown mixture.  His instructor told…

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Q: We perform a 1.0 mL 2-methyl-2-butanol alcohol dehydration by simple distillation also using H2SO4.…

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Q: The distribution coefficient (K) of formic acid (HCO2H) in 1-octanol versus water is 0.39. If a…

A:

Q: Suppose you want to determine the eutectic melting point of a eutectic mixture of adipic acid…

A: Literature melting point of Adipic acid = 153˚C Literature melting point of Salicylic acid = 158˚C

Q: 1. Several procedures for the analysis of caffeine involve extracting the caffeine into an organic…

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Q: 4. A chemist at a company performed a recrystallization on 20 grams of a very slightly impure sample…

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Q: An analyst wanted to separate an  essential oil which is partially immiscible in water and a boiling…

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Q: A mixture of the two compounds shown below is dissolved in ether. Using the information given in the…

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Q: You want to use acid-base extraction to separate compound A (pKa = 4.9) from compound B (pKa = 9.5).…

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Q: CH NO2

A:

Q: gives

A: Compound X is not compound A. This is the true statement.

Q: A sample of naphthalene is contamined with a small amount of anthracene. The melting point would be…

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Q: Which of the following statements is false in a simple and steam distillation? Simple distillation…

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Q: Which of the following would be effective in separating iso-butanol and cyclopentane? iso-Butanol…

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Q: A mixture of n-heptane, tetrahydrofurane, 2-butanone, and n- propanol elutes in this order when…

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Q: 7. Suppose you have an organic sample X that is contaminated with an impurity. When you wash with an…

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Q: Which best fits in blank 3? HCI NaHCO3 aluminium salt H₂SO4 4-methylacetophenone methylene chloride…

A:

Q: An analyst wanted to separate an essential oil which is partially immiscible in water and a boiling…

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Q: In fermentation distillation experiment, why does the boiling point increase, and the % ethanol…

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Q: 1. A vial containing an unknown sample is suspected to be one of the following compounds (mp.): urea…

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Q: The melting point (mp) range of reference compound A is 320-340°C. The mp range of a 1:1 mixture of…

A: Given, Melting point range of compound A is ---- 320-340oC. Mixture of compound A and unknown…

Q: Your employer hands you a heterogeneous mixture and asks you to isolate all of thehexane that you…

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Q: A chemist is asked to separate the components of a mixture composed of 1.00 g each of the two…

A: The given chemicals to be separated are 2-naphthol (pKa = 9.5) and 2-naphthylmethanol(pKa = 16).

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.