Uji Pengetahuan tentang Senyawa Fenol

What is meant by the compound phenol?

• Compounds that have the characteristic of an aromatic ring and one/two hydroxyl groups

• Compounds that have the characteristic of an aliphatic ring and one/two amine groups

• Compounds that have the characteristic of an aliphatic ring and one/two hydroxyl groups

• Compounds that have the characteristic of an aromatic ring and one/two amine groups

What are the characteristics of phenol?

• Characteristics of phenol include:

• It is toxic to some insects or pests

• It can cause a cooling sensation when in contact with the skin

• It belongs to the aliphatic compounds

• It is not affected by light and air

What is the benefit of phenol compound?

• Increasing blood sugar

• Preventing cardiovascular disease

• Reducing memory power

• Reducing nutrient absorption

How to determine the total phenol content using the KLT-densitometry method?

• Using high performance liquid chromatography

• Using thin layer chromatography

• Using gas chromatography

• Using spectrophotometer

What is used as the color reagent in the identification test of phenol compounds?

• Tollen's reagent

• Folin Ciocalteau

• Fehling's solution

• Benedict's solution

How to prepare a standard solution of gallic acid?

• Dissolved in acetone

• Dissolved in ethanol

• Dissolved in water

• Dissolved in methanol

How to calculate the concentration in the test solution using the regression equation?

• How to calculate the concentration in the test solution using the regression equation?

• Y = bx + a

• Y = ax + b

• Y = abx

• Y = x / a + b

What is used as the explanatory variable in the calculation of the concentration of the test solution?

• Absorbance

• Concentration

• Volume

• Mass