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All three isomers are very weak acids, pKa values varying from 10.26 (o- and p-cresol) to 10.09 (for m-cresol). This means that 1.00 M (standard) solutions in water have pH values of 5.13 to 5.05 (at 25oC).
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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.
How do you we prepare cresol with soap solution?
cresol is prepared with soap solution as it is more soluble in the soap solution than water . moreover soap solution enhances its detergent and disinfectant properties.
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
How would you distinguish between the following pair of compounds using IR spectoscopy(benzyl alcohol and p-cresol)?
Absorption spectra are different.
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 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.
What is the IUPAC name of cresol?
o Cresol 2-methyl phenol m Cresol 3-methyl phenol p- Cresol 4- methyl phenol
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.
How do you dispose formo cresol?
How do I dispose fo small, expired quantities of formo cresol
What indicator or indicators are used for HCl versus KOH?
methyl red chlorophenol blue bromothymol blue cresol red phenolphthalein
Which is more acidic o-cresol or p-cresol?
p-cresol is more acidic than o-corsel because the loss of a proton is more difficult for o-corsel due to field effects
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.
How do you we prepare cresol with soap solution?
cresol is prepared with soap solution as it is more soluble in the soap solution than water . moreover soap solution enhances its detergent and disinfectant properties.
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.
