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After a pH=10 the color of phenophthalein is fuchsia.
Wiki User
∙ 8y ago
When you mix HCl (hydrochloric acid) and phenolphthalein, the phenolphthalein will turn colorless because the strong acid protonates it, resulting in the loss of its pink color. This change in color indicates the presence of an acidic solution.
Wiki User
∙ 12y agoNothing happens when any acid is added to Phenolphthalein. ;)
Wiki User
∙ 11y agobase on theory, it should turn pink
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What is the colour of phenolphthalein after addition of dilute HCl?
The color of phenolphthalein after the addition of dilute HCl is colorless. Phenolphthalein is typically pink in basic solutions but turns colorless in acidic conditions due to the change in pH.
What is the equation of sodium hydroxide with phenolphthalein with hydrochloric acid?
The equation for the reaction between sodium hydroxide (NaOH) and hydrochloric acid (HCl) using phenolphthalein indicator is: NaOH + HCl → NaCl + H2O Phenolphthalein is a pH indicator that turns pink in basic solutions and colorless in acidic solutions.
Why does hydrochloric acid change phenolphthalein purple to colorless?
Hydrochloric acid is a strong acid that neutralizes the alkaline properties of phenolphthalein, turning it colorless. This reaction occurs because the acid donates hydrogen ions, causing a shift in the pH balance and resulting in the loss of the pink or purple color in phenolphthalein.
In HCl and NaOH titration which indicator is used?
Phenolphthalein is commonly used as an indicator in the titration of hydrochloric acid (HCl) with sodium hydroxide (NaOH). Phenolphthalein changes color from colorless to pink at the endpoint of the titration when all the acid has been neutralized by the base.
What indicator or indicators are used for HCl versus KOH?
For the titration of hydrochloric acid (HCl) versus potassium hydroxide (KOH), phenolphthalein is commonly used as an indicator. Phenolphthalein changes color from colorless to pink at pH 8.2-10.0, which corresponds to the endpoint of the titration when all the HCl has reacted with KOH.
What happens when you mix calcium hydroxide and phenolphthalein?
It changes colors
Why does hydrochloric acid change phenolphthalein purple to colorless?
Hydrochloric acid is a strong acid that neutralizes the alkaline properties of phenolphthalein, turning it colorless. This reaction occurs because the acid donates hydrogen ions, causing a shift in the pH balance and resulting in the loss of the pink or purple color in phenolphthalein.
What happens when mix HCl and iron powder?
When hydrochloric acid (HCl) reacts with iron powder, the iron oxidizes to form iron(II) chloride (FeCl2) and hydrogen gas (H2) is released. This reaction is a typical metal-acid reaction known as a single displacement reaction. The iron powder will dissolve and you will observe bubbling as the gas is released.
What happens when you mix sodium bicarbonate solution and phenolphthalein?
it turns into a pinkish red color
What happens when you mix Sodium hydroxide and phenolphthalein?
When you mix sodium hydroxide and phenolphthalein, you will observe a color change. Phenolphthalein is commonly used as a pH indicator, turning pink in basic solutions (such as sodium hydroxide) and colorless in acidic solutions. This color change is a result of the chemical reaction between the sodium hydroxide and phenolphthalein molecules.
When you mix a few drops of phenolphthalein solution to a beaker of pure water mixed with calcium hydroxide what happens?
The phenolphthalein solution will turn pink in the presence of the basic calcium hydroxide solution. This color change indicates the presence of a base. This reaction is commonly used as an indicator for determining the endpoint in acid-base titrations.
What happens when water is added to phenolphthalein?
When water is added to phenolphthalein, the color remains the same, which is colorless. Phenolphthalein is typically used as an indicator in titrations with strong acid and strong base where the color change is triggered by changes in pH, not by the addition of water.
In HCl and NaOH titration which indicator is used?
Phenolphthalein is commonly used as an indicator in the titration of hydrochloric acid (HCl) with sodium hydroxide (NaOH). Phenolphthalein changes color from colorless to pink at the endpoint of the titration when all the acid has been neutralized by the base.
What would you mix an alkali or acid with to get a coloured substaince?
You could mix an acid or alkali with an indicator such as methyl orange or phenolphthalein. Phenolphthalein is colorless in an acidic medium and pink in an alkaline one.
What happens when you mix Hydrochloric acid with ammonia?
When mixed together, hydrochloric acid and ammonia will react to form ammonium chloride, a white crystalline substance that is soluble in water. This reaction releases heat and is exothermic. It is important to handle these chemicals with care, as they are corrosive and can cause harm if not used properly.
What is the equation for neutralization of hydrochloric acid and phenolphthalein?
The neutralization of hydrochloric acid with phenolphthalein does not involve an equation. Phenolphthalein is a pH indicator that changes color at a certain pH range (8.2-10), making it useful for determining the endpoint of a titration involving an acid-base reaction like the neutralization of hydrochloric acid with a base.
Why methyl orange is used instead of phenolphthalein in hcl and naoh titration?
Methyl orange is used in HCl and NaOH titrations because its color change occurs closer to the equivalence point, making it more suitable for strong acid-strong base titrations like those involving HCl and NaOH. Phenolphthalein, on the other hand, is more suitable for weak acid-strong base titrations due to its color change occurring at a higher pH.
