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Different indicators are used for various pH solutions because they change color at specific pH ranges, allowing for accurate detection of acidity or alkalinity. Each indicator has a distinct transition range that corresponds to the pH of the solution being tested. By selecting the appropriate indicator, one can achieve more precise results in determining the pH level of the solution. This ensures that the color change observed reflects the actual pH of the solution.

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How are pH indicators classified?

pH indicators are classified based on the pH range over which they change color. They can be classified as either acidic, basic, or universal indicators. Acidic indicators change color in acidic solutions, basic indicators change color in basic solutions, and universal indicators change color over a wide pH range.


Why don't all acids turn indicators pink?

Not all acids turn indicators pink because the color change of an indicator depends on the pH of the acid. Different indicators have different color changes at different pH levels. Some indicators change color in acidic solutions, while others change in basic solutions.


What does the indicators change a different pH values?

Indicators are substances that change color at specific pH levels, allowing them to signal the acidity or alkalinity of a solution. For example, litmus paper turns red in acidic solutions (pH < 7) and blue in alkaline solutions (pH > 7). Other indicators, like phenolphthalein, remain colorless in acidic environments but turn pink in basic conditions. This color change is due to the structural changes in the indicator molecules as the pH of the solution changes.


Why do you need many different indicators to span the entire pH spectrum?

Different pH indicators have varying color change ranges and pH sensitivity, which makes it essential to use multiple indicators to effectively cover the entire pH spectrum. Each indicator undergoes a color transition at a specific pH range, so a single indicator cannot accurately signal changes across the entire scale. For instance, some indicators work well in acidic conditions while others are better suited for neutral or basic environments. Using a variety of indicators ensures precise monitoring of pH in diverse chemical and biological systems.


What eles can you use for phenol red?

Other substances that can be used as pH indicators include bromothymol blue, methyl red, and litmus. These indicators change color at different pH levels, providing a visual indication of the acidity or alkalinity of a solution.

Related Questions

How do use solutions to find the colors of the indicators?

First, identify the indicators used in the experiment. Then, prepare a set of solutions with known colors at different pH levels. Finally, compare the color change of the indicators with the color changes in the solutions to determine the pH of the solution being tested.


How are pH indicators classified?

pH indicators are classified based on the pH range over which they change color. They can be classified as either acidic, basic, or universal indicators. Acidic indicators change color in acidic solutions, basic indicators change color in basic solutions, and universal indicators change color over a wide pH range.


What can use to make pH scale indicator?

Indicators are substances sensitive to different ranges of pH.


Why don't all acids turn indicators pink?

Not all acids turn indicators pink because the color change of an indicator depends on the pH of the acid. Different indicators have different color changes at different pH levels. Some indicators change color in acidic solutions, while others change in basic solutions.


What does the indicators change a different pH values?

Indicators are substances that change color at specific pH levels, allowing them to signal the acidity or alkalinity of a solution. For example, litmus paper turns red in acidic solutions (pH < 7) and blue in alkaline solutions (pH > 7). Other indicators, like phenolphthalein, remain colorless in acidic environments but turn pink in basic conditions. This color change is due to the structural changes in the indicator molecules as the pH of the solution changes.


Are indicators acidic or basic in nature?

Indicators can be both acidic and basic in nature, depending on their color change properties in response to different pH levels. Some indicators change color in acidic solutions, while others change color in basic solutions.


How do indicators distinguish acids and bases?

Indicators are substances that change color depending on the pH of a solution. They do this by undergoing a reversible chemical reaction that is sensitive to the concentration of hydrogen ions (H+) in the solution. In acidic solutions, indicators change color to reflect the acidic pH, whereas in basic solutions, indicators change color to reflect the basic pH.


Why can't a single indicator be used to tell the pH of a solution?

A single indicator cannot be used to accurately determine the pH of a solution because indicators change color over a range of pH values rather than at a specific pH. Different indicators have varying color changes at different pH ranges, so using multiple indicators or pH meters provides a more precise measure of the pH of a solution.


How do you use indicators to measure acidity and basicity?

Many different pH indicators exist, covering different ranges of acidity and alkalinity. Every pH indicator should come with its color guide to help determine the approximate pH level of whatever's being tested. The best way to determine the color's pH indication is a spectrometer.


Where do you use pH indicators in real life?

checking the pH level in a chlorinated pool


Why do you need many different indicators to span the entire pH spectrum?

Different pH indicators have varying color change ranges and pH sensitivity, which makes it essential to use multiple indicators to effectively cover the entire pH spectrum. Each indicator undergoes a color transition at a specific pH range, so a single indicator cannot accurately signal changes across the entire scale. For instance, some indicators work well in acidic conditions while others are better suited for neutral or basic environments. Using a variety of indicators ensures precise monitoring of pH in diverse chemical and biological systems.


Can water have different pH?

Pure water always has pH of 7. Different aqueous solutions may change the pH.