Tag: applications of adsorption

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Multiple choice applications of adsorption adsorption adsorption and colloids surface chemistry chemistry

Application of adsorption chromatography is/are _________.

  1. separation of relatively non polar, water insoluble compounds

  2. seperation of isomers

  3. purification of antibody fragments

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Adsorption chromatography has many applications. Generally, it is used for determining the concentration of a compound (or its purity), separating out a mixture into individual componentsseperation of isomers, and identifying what is in a mixture and seperate on the basis of solubility also. There are three main types of adsorption chromatography - column, thin layer, and gas-solid.

Multiple choice applications of adsorption adsorption adsorption and colloids surface chemistry chemistry

Adsorption column chromatography has been used for :

  1. isolation and purification of vitamins and hormones

  2. examination of vegetable oil and pharmaceutical preparations

  3. used as indicator

  4. all of the above
Reveal answer Fill a bubble to check yourself
A,B Correct answer
Explanation

Column chromatography is used for isolation and purification of vitamins and hormones and for the examination of vegetable oil and pharmaceutical preparations.

Multiple choice applications of adsorption adsorption adsorption and colloids surface chemistry chemistry

Which of the following is most favourable for vander waals  adsorption?

  1. high pressure and high temperature

  2. low pressure and low temperature

  3. low pressure and high temperature

  4. high pressure and low temperature
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Physisorption is Vanderwaals adsorption, it occurs at high pressure and low temperature conditions.