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Can you have viva questions on titration?
Yes, it is possible to have viva questions on titration. Some potential questions could focus on the principles of titration, the choice of indicators, calculations involved in titration, different types of titrations, sources of errors in titration, and applications of titration in various industries.
Why is it advisable to remove sodium hydroxide from the burette as soon as possible after titration?
Sodium hydroxide, particularly highly concentrated sodium hydroxide, can dissolve glass if left sitting long enough. Therefore, if you leave the sodium hydroxide in the burette after finishing your titration, you could increase the volume inside the burette from the glass being dissolved from the inside out. This would make the burette measure the titration volume inaccurately and would invalidate the results of future titrations done with this instrument.
A solution in which the concentration of a solute is the maximum possible under existing conditions is said to be?
When a solution has accepted as much solute as is possible at a given temperature, the solution is said to be saturated. Under certain conditions, saturated solutions can be concentrated to give supersaturated solutions. Supersaturated solutions are those which possess more of a solute than normally dissolves in a solvent at a given temperature.
How does urine differ from the original filtrate?
From the original filtrate, a lot of much needed electrolytes (Sodium e.t.c) are reabsorbed (absorbed back into blood), a few substances secreted further into the urine, then loads of water reabsorbed to fine tune body water to exactly how much you need(as much as possible), making urine far more concentrated than the original filtrate.
What is dilute solution and concentration?
A dilute solution is a solution in which there is a small amount of solute (the thing that gets dissolved) compared to the total amount of possible solute that can be dissolved in the solvent (the thing that does the dissolving). A concentrated solution is when there is a lot or all solute that can possibly fit in the solvent.
What is the concentration of sulphuric acid?
There are many different concentrations of "concentrated sulphuric acid". It is possible to deduce the concentration of the sulphuric acid by titration.
Can you have viva questions on titration?
Yes, it is possible to have viva questions on titration. Some potential questions could focus on the principles of titration, the choice of indicators, calculations involved in titration, different types of titrations, sources of errors in titration, and applications of titration in various industries.
Why need to add reagent drop by drop during titration?
Adding reagent drop by drop during titration allows for precise control of the reaction and helps prevent over-titration. This ensures that the endpoint is accurately determined and the titration results are as precise and reliable as possible.
Why is not possible to determine iodide by mohr titration?
Iodide cannot be determined by Mohr titration because it does not form a precipitate with silver nitrate. Mohr titration relies on the formation of a colored precipitate to indicate the end point, which is not observed in the case of iodide ions. Other methods, such as iodometric titration or spectrophotometry, are used to determine iodide ions quantitatively.
Why before doing titration conical flask is not rinsed?
The conical flask is not rinsed before performing titration because doing so could dilute the solution and alter the concentration, affecting the accuracy of the titration. It is important to maintain the concentration of the solution as accurately as possible for precise results.
Why is it recommended to carryout iodometric titrations as quick as possible?
Iodometric titrations involve the titration of iodine with a reducing agent. Iodine is volatile and can escape into the air, which can lead to errors in the titration results. To minimize these errors, it is recommended to carry out iodometric titrations as quickly as possible to prevent the loss of iodine and ensure accurate results.
Is hydrochloric concentrated acid?
Any concentration is possible to be prepared; the concentrated acid has generally a concentration of 36,5 % (36,5 g HCl in 100 mL water solution).
What is the concentration of concentrated sulphuric acid?
Sulfuric acid is used because it combines with water to produce electrolytes. Inside a car battery, these electrolytes cover the battery plates,and henceforth is utilized to power the engine turnover on startup.
Describes a solution with a large amount of solute compared to the amount of solvent?
A solution with a large amount of solute compared to the amount of solvent is considered concentrated. In this type of solution, the particles of the solute are packed closely together, resulting in a high concentration of solute molecules or ions within the solvent. The concentration of the solute in a concentrated solution is typically higher than in a dilute solution.
Is it possible to have a concentrated solution of a weak acid or base True or False?
True. It is possible to have a concentrated solution of a weak acid or base, as the concentration of a solution refers to the amount of solute dissolved in a solvent, regardless of the strength of the acid or base. The degree of dissociation may be low, but the concentration can still be high.
Is it possible to make espresso in my Keurig machine?
No, it is not possible to make true espresso in a Keurig machine as it does not generate enough pressure to produce the strong and concentrated coffee that defines espresso.
Why is distilled water boiled before it used in preparing sodium hydroxide titrant?
Distilling water removes impurities and gases that could interfere with the accuracy of the titration. Boiling the distilled water helps to remove any residual volatile compounds that may be present, ensuring that the water used is as pure as possible for accurate titration results.
