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If universal indicator was added to the water after the reaction with caesium what colour would it be?
The universal indicator in water after the reaction with cesium would likely turn purple. Universal indicator changes color to purple in the presence of strong bases like cesium hydroxide, which would be formed as a result of the reaction with cesium and water.
If universal indicator was added to the water after the reaction with caesium what colour would it go and why?
The universal indicator would likely turn purple or violet after reacting with caesium in water. This color change occurs because caesium is an alkaline metal that would make the solution more basic, leading to a shift in the indicator's color towards the purple end of the pH scale.
What type of reaction occurs when potassium metal reacts with fluorine gas?
The reaction between potassium metal and fluorine gas is a redox reaction. Potassium transfers an electron to fluorine, forming potassium fluoride. This reaction is highly exothermic and produces a bright flame.
What is the reaction of potassium plus fluorine?
The reaction between potassium and fluorine results in the formation of potassium fluoride (KF), a white crystalline salt. The chemical equation for this reaction is: 2K + F2 → 2KF. This is a highly exothermic reaction due to the high reactivity of both elements.
What happens when Solid potassium oxide is added to a container of carbon dioxide gas?
When solid potassium oxide (K2O) is added to a container of carbon dioxide (CO2) gas, a chemical reaction occurs. Potassium oxide reacts with carbon dioxide to form potassium carbonate (K2CO3). This reaction is a double displacement reaction, where the potassium from potassium oxide replaces the carbon in carbon dioxide, resulting in the formation of potassium carbonate. The balanced chemical equation for this reaction is: K2O + CO2 → K2CO3.
What colour will universal indicator turn in a neutralization reaction?
It turns green on neutralisation reaction.
If universal indicator was added to the water after the reaction with caesium what colour would it be?
The universal indicator in water after the reaction with cesium would likely turn purple. Universal indicator changes color to purple in the presence of strong bases like cesium hydroxide, which would be formed as a result of the reaction with cesium and water.
What makes universal indicator paper turn red?
Universal indicator paper turns red when the solution has a low pH, indicating that it is acidic. The red color is a result of the indicator's chemical reaction with hydrogen ions in the solution.
Why the indicator is not used when V ml of acid is added to potassium hydroxide to produce crystal?
The indicator is not used in this reaction because the reaction between an acid and potassium hydroxide is a neutralization reaction, where the acid and base completely react to form water and a salt. The endpoint is indicated by the formation of a solid precipitate or a color change due to the formation of the salt, so an indicator is not necessary.
If universal indicator was added to the water after the reaction with cesium what colour would it go and why?
If universal indicator is added to water after a reaction with cesium, the solution would likely turn purple or dark blue. This is because cesium reacts vigorously with water to produce cesium hydroxide, which is a strong base. The formation of this alkaline solution raises the pH, causing the universal indicator to shift toward the color that corresponds to higher pH levels.
Which chemical property of lithium will be shown by the universal indicator?
The chemical property of lithium that will be shown by the universal indicator is its ability to be an alkali metal. When lithium reacts with water, it forms lithium hydroxide, which is a strong base. This reaction will cause the universal indicator to turn blue or purple, indicating a basic pH.
What colour is produced when universal indicator is added to lime juice?
When universal indicator is added to lime juice, it typically turns a reddish color, indicating that the lime juice is acidic. Lime juice is high in citric acid, which is why it produces this reaction with the indicator.
What would be expected when sodium hydroxide solution is added gradually to a conical flask of dilute nitric acid containing universal indicator?
The sodium hydroxide will neutralize the nitric acid, resulting in a color change of the universal indicator from red to purple to blue, indicating the solution is becoming more basic. This reaction will also generate heat due to the exothermic nature of the neutralization reaction.
When you add acid to a carbonate do the universal indicator turn milky?
Yes, when acid is added to a carbonate, a chemical reaction occurs releasing carbon dioxide gas. The carbon dioxide gas forms bubbles, causing the solution to become milky or cloudy, which is visible through the universal indicator.
What type of reaction is between potassium oxide and water?
The reaction between potassium oxide and water is a chemical reaction where the potassium oxide reacts with water to form potassium hydroxide. This reaction is an example of a base-metal oxide reaction.
What colour will appear when hydrochloric acid react to sodium hydroxide with a few drop of universal indicator?
A green colour will appear due to the reaction of hydrochloric acid and sodium hydroxide. The universal indicator changes color in response to the pH level of the solution, and green indicates a neutral pH level.
What is the purpose of using universal indicator in titration?
Universal indicator is used in titration to indicate the pH of a solution being titrated. It changes color in response to changes in the pH of the solution, helping the observer to determine the endpoint of the titration when the reaction is complete. This allows for a more precise determination of the amount of titrant required to reach the endpoint.
