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Phenolphthalein reacts with sodium hydroxide to form a pink color, indicating the presence of a base. The chemical reaction involves the deprotonation of phenolphthalein by hydroxide ions to form an ionized molecule with a pink hue.
C20H14O4+ NaOH → NaKC8H4O4 (aq)+ H2O (l)
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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.
Is adding phenolphthalein to sodium hydroxide a chemical change?
No, adding phenolphthalein to sodium hydroxide is a physical change because it only involves mixing two substances together. A chemical change would involve a new substance being formed through a chemical reaction, which does not occur in this case.
A chemical reaction occurs between sodium hydroxide and hydrogen chloride Adding more sodium hydroxide to the reaction causes it to speed up If you add more of a reactant such as sodium hydroxide?
Adding more sodium hydroxide will increase the concentration of the reactant in the reaction, leading to more successful collisions between particles and thus speeding up the reaction. This happens because there are more particles available to react with hydrogen chloride, resulting in a higher reaction rate.
React iron iii nitrate and sodium hydroxide?
When iron (III) nitrate reacts with sodium hydroxide, it forms iron (III) hydroxide and sodium nitrate. The balanced chemical equation for this reaction is: Fe(NO3)3 + 3NaOH → Fe(OH)3 + 3NaNO3. Iron (III) hydroxide is a brown solid that forms as a precipitate in this reaction.
What is the chemical equation for Pyrogallic acid an sodium hydroxide?
The chemical equation for the reaction between pyrogallic acid and sodium hydroxide is: C6H3(OH)3 + 3NaOH -> C6H6O3 + 3NaOH
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.
Is adding phenolphthalein to sodium hydroxide a chemical change?
No, adding phenolphthalein to sodium hydroxide is a physical change because it only involves mixing two substances together. A chemical change would involve a new substance being formed through a chemical reaction, which does not occur in this case.
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.
What colo is PHTH in Sodium Hydroxide?
The color of phenolphthalein (PHTH) in sodium hydroxide is pink. This color change occurs because phenolphthalein is a pH indicator that turns pink in basic solutions, such as sodium hydroxide.
Is physical or chemical reaction takes place when sodium hydroxide mixed with water?
When sodium hydroxide is mixed with water, a chemical reaction takes place where the sodium hydroxide dissociates into its ions, Na+ and OH-. This is a physical change.
How does sodium oxide and water make sodium hydroxide?
When sodium oxide reacts with water, it undergoes a chemical reaction to form sodium hydroxide. This reaction involves the hydration of sodium oxide, which results in the formation of sodium hydroxide as a product. The chemical equation for this reaction is: Na2O + H2O → 2NaOH.
Is iron chloride and sodium hydroxide a physical or chemical change?
The reaction between iron (III) chloride and sodium hydroxide is a chemical change as new substances are formed. Iron (III) hydroxide and sodium chloride are produced as a result of the reaction.
Why does sodium hydroxide and phenolphthalein mixture turn clear when carbon dioxide is added?
When carbon dioxide is added to a sodium hydroxide and phenolphthalein mixture, it forms insoluble sodium carbonate due to a neutralization reaction. This reaction reduces the alkalinity of the solution, causing the phenolphthalein to lose its pink color and turn clear.
Why is phenolphthalein indicator used in the titration of oxalic acid against sodium hydroxide?
Phenolphthalein is used as an indicator in the titration of oxalic acid against sodium hydroxide because it undergoes a color change at the pH region where the reaction between oxalic acid and sodium hydroxide is neutralized. Oxalic acid is a diprotic acid, meaning it requires two equivalents of sodium hydroxide to be fully neutralized. Phenolphthalein changes color at a pH of around 8.2-10, which is ideal for indicating the endpoint of the titration.
What is the chemical equation of ethanoic acid reacting with sodium hydroxide?
The chemical equation for the reaction between ethanoic acid (acetic acid) and sodium hydroxide is: CH3COOH + NaOH → CH3COONa + H2O This reaction is a neutralization reaction that forms sodium acetate and water.
What is sodium oxide combines with water to make sodium hydroxide?
When sodium oxide reacts with water, it forms sodium hydroxide by the following chemical equation: Na2O + H2O -> 2NaOH. This reaction releases heat and is highly exothermic. Sodium hydroxide is a strong base commonly used in industries such as water treatment, soap making, and chemical production.
A chemical reaction occurs between sodium hydroxide and hydrogen chloride Adding more sodium hydroxide to the reaction causes it to speed up If you add more of a reactant such as sodium hydroxide?
Adding more sodium hydroxide will increase the concentration of the reactant in the reaction, leading to more successful collisions between particles and thus speeding up the reaction. This happens because there are more particles available to react with hydrogen chloride, resulting in a higher reaction rate.
