Ethanoic acid is formed
When you put frozen ethanol into liquid ethanol, the frozen ethanol will begin to melt and mix with the liquid ethanol. Both states of ethanol will reach an equilibrium temperature, and the frozen ethanol will ultimately dissolve into the liquid ethanol to form a homogeneous solution.
When sucrose is added to water, it dissolves and forms a solution due to its ability to hydrogen bond with water molecules. In ethanol, sucrose is less soluble as ethanol disrupts the hydrogen bonds between sucrose and water molecules. However, some sucrose can still dissolve in ethanol due to its polar nature.
I think what happens is a simple precipitation. Calcium acetate isn't soluble in ethanol, and hence crashes out of solution when ethanol is added to a saturated solution of calcium acetate.The precipitation is quick, leading to small strands of solid Ca(OAc)2, forming a solid gel. A gel consists of a continuous open network and a solvent. The network can be either solid or soluble in the solvent.
When bromine water is added to ethanol, the bromine will react with the ethanol forming 2-bromoethanol. The reaction occurs via nucleophilic substitution where the bromine reacts with the -OH group of ethanol. This reaction can be used as a test to distinguish between primary, secondary, and tertiary alcohols.
From the experiment, why is a mixture of ethanol and water instead of simply water itself used for saponification? ... Ethanol is the catalyst in saponification C. Ethanol would help the soaps obtained from saponification reaction become more soluble in water D.
The aqueous acidified potassium dichromate(VI) solution turns from orange to green.
When a solution of ArN-NO is acidified, it will result in the generation of the corresponding diazonium salt ArN2+. This reaction is known as diazotization and is a common method for converting aromatic primary amines to diazonium salts.
When you put frozen ethanol into liquid ethanol, the frozen ethanol will begin to melt and mix with the liquid ethanol. Both states of ethanol will reach an equilibrium temperature, and the frozen ethanol will ultimately dissolve into the liquid ethanol to form a homogeneous solution.
When zinc is added to acidified potassium permanganate solution, zinc displaces manganese from permanganate ions. This reduction reaction causes the purple color of the potassium permanganate solution to fade as the manganese ions are formed. The resulting solution may turn colorless or pink, depending on the concentration of the reactants.
Aldehyde are oxidised to the corresponding carbonic acid by F.'s or T.'s agents. Ketone can not be oxidised.
nothing happens
When zinc dust is added to an acidified solution of potassium permanganate, a redox reaction takes place. The zinc reduces the permanganate ion, MnO4-, to form colorless manganese ions, while itself getting oxidized to zinc ions. The overall result is that the purple color of the permanganate solution fades as it is reduced.
Nothing at all. The sodium is fully oxidised in sodium chloride and chlorine gas has no effect. +++ "... fully oxidised..." Really? There is no oxygen in the compound, which is simply NaCl.
When sucrose is added to water, it dissolves and forms a solution due to its ability to hydrogen bond with water molecules. In ethanol, sucrose is less soluble as ethanol disrupts the hydrogen bonds between sucrose and water molecules. However, some sucrose can still dissolve in ethanol due to its polar nature.
The answer depends on the substances in the mixture in which the ethanol concentration increases.
I think what happens is a simple precipitation. Calcium acetate isn't soluble in ethanol, and hence crashes out of solution when ethanol is added to a saturated solution of calcium acetate.The precipitation is quick, leading to small strands of solid Ca(OAc)2, forming a solid gel. A gel consists of a continuous open network and a solvent. The network can be either solid or soluble in the solvent.
At 78.37°C, ethanol boils and undergoes a phase change from liquid to gas. It turns into ethanol vapor, which can be collected and condensed back into liquid ethanol through condensation.