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The point at which a drop of base changes the color of an acid solution and the color persists?
This point is known as the endpoint in a titration. It signifies that the reaction between the acid and base is complete. The color change usually happens due to the addition of an indicator, which changes color at a specific pH.
Which is the end point in acid base titration?
The end point in an acid-base titration is the point at which an indicator changes color and signifies that equivalence has been reached between the acid and base being titrated. This is when the amount of acid and base are in stoichiometric proportions.
In a titration the point at which one drop of base turns the acid plus indicator a pink color that lasts for 30 seconds is called the?
This point is called the endpoint of the titration. It is the stage at which the reaction between the acid and base is considered complete, based on the color change of the indicator.
What are base physical property?
Examples are: melting point, boiling point, density, refractive index, thermal conductivity, color, etc.
What is the term for the stage in an acid-base titration when the indicator changes color?
The term for the stage in an acid-base titration when the indicator changes color is called the endpoint. It signifies that the stoichiometric equivalence point has been reached, where the acid and base have reacted completely.
Each section of the base assembly is secured to its adjacent section?
True
What is meant the endpoint of an acid-base titration?
The endpoint of an acid-base titration is the point at which the indicator changes color or the pH meter reads a significant change in pH, indicating that the reaction between the acid and base is complete. This point signifies that the equivalence point has been reached, where the moles of acid and base have reacted in stoichiometric proportions.
How do you get sharp end point in acid-base titration?
To get a sharp end point in an acid-base titration, it is important to add the titrant (acid or base) drop by drop near the expected end point, which is determined using an indicator. The indicator will change color when the solution reaches the end point, indicating that the reaction is complete. Slowly adding the titrant near the end point helps to achieve a sharp color change and precise determination of the equivalence point.
What color will a solution be at the equivalence point of titration?
The color of a solution at the equivalence point of a titration depends on the type of indicator used. The indicator changes color at a specific pH value, signaling the completion of the reaction. Common indicators like phenolphthalein turn pink at the equivalence point of an acid-base titration.
What does a color change in an acid-base titration mean?
A color change in an acid-base titration indicates the endpoint of the reaction, where the amount of acid or base has been completely neutralized. This change is often detected using a pH indicator that changes color based on the pH of the solution. The color change helps in determining the equivalence point of the titration.
Why does the pink color at the first equivalence point fade only gradually?
The pink color at the first equivalence point in a titration involving phenolphthalein fades gradually because the solution is in a buffer region. At the equivalence point, there is a mix of weak acid and its conjugate base, which causes the pink color to fade slowly as the pH changes only slightly during the titration.
Is a regular pink colored pencil from Crayola a warm or cool color?
Pink is always considered a warm color because its base is red.Pink is always considered a warm color because its base is red.Pink is always considered a warm color because its base is red.Pink is always considered a warm color because its base is red.Pink is always considered a warm color because its base is red.Pink is always considered a warm color because its base is red.Pink is always considered a warm color because its base is red.Pink is always considered a warm color because its base is red.Pink is always considered a warm color because its base is red.
