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What colo is PHTH in Sodium Hydroxide?
Phenolphthalein turns pink in basic solutions
What color does sodium hydroxide burn in a flame test?
Bright yellow :: This is the sodium ions. Any sodium compound will give a flame test colour of yellow/
What happen when sodium hydroxide is added drop wise to a solution containing phenolphthalein?
When sodium hydroxide is added dropwise to a solution containing phenolphthalein, the solution will initially remain colorless. Once enough sodium hydroxide has been added to make the solution basic, the color will change from colorless to pink or purple, indicating the presence of hydroxide ions. Phenolphthalein is a pH indicator that changes color in the presence of a base.
What colour is made by mixing methyl orange and sodium hydroxide?
The color is yellow.
Chemical tests for flavonoids?
Common chemical tests for flavonoids include the Shinoda test, Folin-Ciocalteu test, and the sodium hydroxide test. The Shinoda test involves the addition of magnesium in the presence of concentrated hydrochloric acid, resulting in color changes. The Folin-Ciocalteu test uses a phenol reagent to detect flavonoid presence based on color development. The sodium hydroxide test involves the addition of sodium hydroxide solution to a flavonoid-containing sample to observe color changes.
What is the color of sodium hydroxide solution?
none, it is clear
What color does sodium hydroxide give from a flame test?
Sodium hydroxide does not produce a distinct color in a flame test. It is the sodium ions that give a bright, persistent yellow color to the flame.
Copper sulphate add to sodium hydroxide result colour?
When copper sulfate is added to sodium hydroxide, a blue precipitate of copper hydroxide is formed. The color change observed is from the initial blue color of copper sulfate to the blue precipitate of copper hydroxide.
What color does blue litmus paper turn with Sodium hydroxide?
NOTHING! Sodium hydroxide (NaOH) is a base, and BLP does not change color with a base.
If you add ui to sodium hydroxide what is the colour turns to?
Adding iodine to sodium hydroxide will result in brown color due to the formation of sodium iodide and sodium hypoiodite.
What is the colour of sodium hydroxide?
color less (white)
What colo is PHTH in Sodium Hydroxide?
Phenolphthalein turns pink in basic solutions
What will be the effect of sodium hydroxide in blue litmus paper?
Sodium hydroxide is a strong base, so it will turn blue litmus paper to red. This color change is due to the alkaline nature of sodium hydroxide which reacts with the blue litmus paper to change its color.
How can you identify hydrochloric acid sodium hydroxide and sugar solution with the help of turmeric indicator?
Hydrochloric acid: yellow color Sodium hydroxide: brown color Sugar: unchanged
In an ammonia stock with phenolphthalein solution would the sodium hydroxide tend to decrease the color intensity?
Yes, sodium hydroxide would tend to decrease the color intensity of the phenolphthalein solution in an ammonia stock. Sodium hydroxide is a strong base that would react with phenolphthalein, causing it to change color from pink to colorless.
What is the action of sodium hydroxide on the colour of red litmus?
Sodium hydroxide is a strong base and will turn red litmus paper blue. This color change occurs due to the high concentration of hydroxide ions present in the sodium hydroxide solution, which react with the indicator dye in the litmus paper, causing the color change.
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.
