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Why the indicator cresol red change colour when the PH is lower than 10 to6.And what colours would be observed at PH 10 8 and 6?
Cresol red is a pH indicator that changes color based on the acidity or alkalinity of a solution. When the pH is lower than 10, it shifts from its basic form (yellow) to its acidic form (red) as the pH decreases. At pH 10, cresol red appears yellow, at pH 8 it transitions to orange, and at pH 6, it appears red. This color change occurs due to the structural changes in the molecule that affect light absorption at different pH levels.
How do you we prepare cresol with soap solution?
To prepare cresol with soap solution, add cresol to a container of water, then add soap and mix gently. The soap will help to solubilize the cresol in water, forming a soap solution with cresol dissolved in it. It is important to follow proper safety precautions when handling cresol, as it can be irritating to the skin and eyes.
Why does m-cresol purple change color?
M-cresol purple changes color because it is a pH indicator. It is sensitive to changes in acidity or alkalinity of a solution. In an acidic environment, it appears yellow, while in an alkaline environment, it turns purple. The color change corresponds to the change in the concentration of hydrogen ions (H+) in the solution, indicating the pH level.
Why does the typical base indicator exhibit its color change over a range of about 2 PH units?
The usual range of the color change on the indicator is between 1.5-2 pH units because of the sensitivity of the indicators. The universal indicator is used in most test.
What is the molar mass of o-cresol?
108.14 grams/mole
What indicator's could be used to produce a color change at both PH 2 and PH?
thymol blue,cresol red,and universal indicatior
What indicators could be used to produce a color change at both pH 2 pH 8?
thymol blue,cresol red,and universal indicatior
What is the IUPAC name of cresol?
o Cresol 2-methyl phenol m Cresol 3-methyl phenol p- Cresol 4- methyl phenol
How do you we prepare cresol with soap solution?
To prepare cresol with soap solution, add cresol to a container of water, then add soap and mix gently. The soap will help to solubilize the cresol in water, forming a soap solution with cresol dissolved in it. It is important to follow proper safety precautions when handling cresol, as it can be irritating to the skin and eyes.
Which is more acidic o-cresol or p-cresol?
o-Cresol is more acidic than p-cresol due to the presence of a hydroxyl group at the ortho position, which stabilizes the anionic form through resonance. This resonance delocalization enhances the acidity of o-cresol compared to p-cresol.
How do you dispose formo cresol?
How do I dispose fo small, expired quantities of formo cresol
Why does m-cresol purple change color?
M-cresol purple changes color because it is a pH indicator. It is sensitive to changes in acidity or alkalinity of a solution. In an acidic environment, it appears yellow, while in an alkaline environment, it turns purple. The color change corresponds to the change in the concentration of hydrogen ions (H+) in the solution, indicating the pH level.
What could be a possible substitute for cresol red to prepare a hydrogen carbonate indicator?
Cresol red is a chemical dye used as an indicator for instruments that measure pH levels. It has a pH range of 0.5 to 2.5 and transitions from rose to brown to yellow. The closest substitute in terms of pH range?æwould be the Crystal violet, also known as Gentian violet. It has a pH range of 0.8 to 2.5 and transitions from yellow to blue to violet.
Are o-cresol m-cresol and p-cresol structural isomers of one another?
Yes, the o-, m-, and p-cresol molecules are structural isomers of one another, each having a benzene ring and -OH group on C1 and methyl group either in the o-, m-, or p- position.
What is metacresol?
M Cresol or metacresol is a precursor to synthetically man made pesticides. M Cresol is also found in synthetic vitamin E.
Which is a stronger acid cresol or phenol?
Phenol is more acidic because cresol has +I effect of CH3 grup as you know acidity is reciprocal of +I effect. OR Cresol has electron donating methyl group, whih reduces its electron defficiency of the phenol group and hence acidity.
What is the molar mass of p-cresol?
The molar mass of p-cresol (4-methylphenol) is approximately 108.14 g/mol.
