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What happened when impurity is added in phenol water system?
the critical solution temperature for phenol water system increases
How do you make a solution of phenol red?
Boil red cabbage in water to make phenol red. This works well depending on how long you boil it will determine the strength of the solution.
What state of matter is phenol red solution?
A solution of phenol red is a liquid.
How Differentiate phenol and chloroform layer?
To differentiate between phenol and chloroform layers, you can carry out a simple test by adding a few drops of water to the layers. Phenol is water-soluble and will mix with the water, turning the solution into a cloudy emulsion. Chloroform, on the other hand, is insoluble in water and will remain as a distinct layer separate from the water-phenol emulsion.
Why is phenol more soluble in aqueous NaOH than in water?
Phenol is acidic in nature. The phenolate anion is stable through resonance. Hence, an acid base reaction ensues between phenol and NaOH in water resulting in the formation of sodium phenolate, which is highly soluble in water compared to phenol.
Suggest a chemical test(s) to distinguish ethanol and phenol. Include the reagents reaction conditions and observations. And the equation?
Phenol solution, or phenol directly from the manufacturer?If the phenol is in the form it comes in from the factory, no chemical test is necessary. Phenol is a white crystalline solid.If it's dissolved in water, the easiest test is pH. Phenol solution is more acidic than ethanol. So...whatever you use for a pH test will do ya.
Phenol red dropped into distilled water would produce what color?
Phenol red in distilled water would produce a red color. This is because phenol red is a pH indicator that changes color based on the acidity of the solution. In neutral to basic solutions, phenol red appears red.
What are identification tests of phenol?
You add a specific ionic compound in a solution to determine if phenol or any of its derivatives are present. Ferric chloride (FeCl3) for example, can be used for such tests. Basically, when you mix the solution with the compound, the ions will interact with the phenol molecules or groups, and as a result, the solution will briefly change color. If there is no colour change in the solution, this suggest there is no phenol or phenol-based molecules in your solution.
Why isn't phenol miscible in tris buffe?
Phenol is not miscible in tris buffer because phenol is a hydrophobic compound, while tris buffer is an aqueous solution. Hydrophobic compounds like phenol tend to separate from water-based solutions like tris buffer due to differences in polarity and interactions with water molecules. This results in the immiscibility of phenol in tris buffer.
What is equilibrated phenol?
Equilibrated phenol is phenol that has been mixed with an appropriate buffer solution to maintain a specific pH. This helps to stabilize the phenol solution and make it suitable for various biological applications, such as DNA extraction and purification.
What is 80 percent phenol?
80% phenol solution is a mixture containing 80% phenol and 20% water or another solvent. Phenol is a chemical compound used as a disinfectant, antiseptic, or chemical intermediate in various industries. It is important to handle this solution with care due to its corrosive and toxic nature.
If you added the oxidizing agent chromate to a solution of phenol would the phenol be oxidized and would a green Cr3 plus solution be formed?
Yes, if chromate is added to a solution of phenol, the phenol can be oxidized. Chromate (CrO4^2-) acts as an oxidizing agent, converting phenol into various oxidized products, such as quinones. During this reaction, the chromate ion is reduced to Cr³⁺, which is typically a green solution. Thus, the presence of a green Cr³⁺ solution indicates that the oxidation of phenol has occurred.
