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Basically, hydroxonium ions and hydroxil ions are responsible for the acidic/basic property. Due to processes such as hydrolysis, other ions might too interfere.

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Which gas turns a universal indicator blue?

The gas that turns a universal indicator blue is usually chlorine.


Why does phenol red change yellow?

Phenol red changes yellow in acidic conditions due to a shift in its chemical structure, which occurs when the hydrogen ions in the solution cause the indicator to undergo a color change. This change is reversible when the solution becomes basic again.


How indicator ion exchange resin made?

Indicator ion exchange resins are made by incorporating specific indicator dyes into the ion exchange resin matrix during the manufacturing process. These indicator dyes change color in the presence of certain ions, allowing for easy visual identification of their presence or absence in a solution. The choice of indicator dye will depend on the specific ions to be detected.


What is the use of ferroin indicator in redox titration of Mohr's salt?

Ferroin indicator is used in the redox titration of Mohr's salt as it changes color when the Fe2+ ions are completely oxidized to Fe3+ ions. This color change helps in determining the end point of the titration, where all the Mohr's salt has been oxidized and no more Fe2+ ions are present.


Why pottasium chromate is used as indicator in argentometric titration?

Potassium chromate is used as an indicator in argentometric titrations because it forms a red precipitate (silver chromate) in the presence of excess silver ions. This color change signals the end point of the titration, where all the chloride ions have reacted with silver ions. This makes it easy to visually detect when the reaction is complete.

Related Questions

Which gas turns a universal indicator blue?

The gas that turns a universal indicator blue is usually chlorine.


Why does phenol red change yellow?

Phenol red changes yellow in acidic conditions due to a shift in its chemical structure, which occurs when the hydrogen ions in the solution cause the indicator to undergo a color change. This change is reversible when the solution becomes basic again.


Is an indicator's reaction in acids and bases a chemical or physical change?

The indicator's reaction in acids and bases is a chemical change because it involves a change in the chemical structure of the indicator molecule due to its interaction with the ions present in the acid or base solution. This results in a change in color, which is a visible manifestation of the chemical reaction taking place.


How indicator ion exchange resin made?

Indicator ion exchange resins are made by incorporating specific indicator dyes into the ion exchange resin matrix during the manufacturing process. These indicator dyes change color in the presence of certain ions, allowing for easy visual identification of their presence or absence in a solution. The choice of indicator dye will depend on the specific ions to be detected.


What is the use of ferroin indicator in redox titration of Mohr's salt?

Ferroin indicator is used in the redox titration of Mohr's salt as it changes color when the Fe2+ ions are completely oxidized to Fe3+ ions. This color change helps in determining the end point of the titration, where all the Mohr's salt has been oxidized and no more Fe2+ ions are present.


Why pottasium chromate is used as indicator in argentometric titration?

Potassium chromate is used as an indicator in argentometric titrations because it forms a red precipitate (silver chromate) in the presence of excess silver ions. This color change signals the end point of the titration, where all the chloride ions have reacted with silver ions. This makes it easy to visually detect when the reaction is complete.


What is metallochromic indicators?

Metallochromic indicators are chemical compounds that change color when they bind to metal ions. They are commonly used in analytical chemistry to detect the presence of metal ions in a solution. The color change is due to the formation of a complex between the indicator and the metal ion.


What is the colour of zinc ions mixed with ammonia in phenolphthalein indicator?

The phenolphthalein indicator is pink in basic solutions.


What the pH number of an indicator for the concentration of?

The pH number of an indicator, such as litmus paper or phenolphthalein, changes depending on the concentration of hydrogen ions in a solution. The indicator will change color at a specific pH range, indicating whether the solution is acidic, neutral, or basic. Different indicators have different pH ranges at which they change color.


Why is a indicator's reaction in acids and bases a chemical change?

When an indicator is added to an acid or base, it undergoes a chemical reaction with the hydrogen or hydroxide ions present in the solution. This reaction causes a change in the color of the indicator, indicating a shift in the pH of the solution. Since a new substance with different properties is formed during this reaction, it is considered a chemical change.


What is the indicator used in EDTA method?

The indicator used in the EDTA method is typically Eriochrome Black T, or its chelates. This indicator changes color in the presence of metal ions, helping to determine the endpoint of the complexometric titration involving EDTA and metal ions.


In kidney disease what is first indicator in blood gases?

hydrogen ions