Column Chromatography Interview Questions

Column Chromatography interview questions

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Total Questions: 5

1. Column chromatography is based on the principle of

A. Ion-exchange

B. Exclusion principle

C. Differential adsorption

D. Absorption

Correct Answer is : Differential adsorption

2. Arrange the following compounds in order of their increasing adsorption tendencies.

A. Cellulose >> starch >> calcium carbonate >> alumina

B. Cellulose >> starch >> alumina >> charcoal

C. Charcoal >> cellulose >> alumina >> starch

D. Calcium carbonate >>; alumina >> starch >> cellulose

Correct Answer is : Cellulose >> starch >> calcium carbonate >> alumina

3. What is the factor responsible for the separation in column chromatography?

A. Polarity differences between the solvent

B. Polarity differences between the solute

C. Polarity indifference between the solvent

D. Polarity indifference between the solute

Correct Answer is : Polarity differences between the solute

4. Select the correct statement from the following options.

A. The lesser the polarity of solute, more strongly it will be adsorbed on a polar surface

B. The greater the polarity of solute, more weakly it will be adsorbed on a polar surface

C. The greater the polarity of solute, more strongly it will be adsorbed on a polar surface

D. All of the mentioned option

Correct Answer is : The greater the polarity of solute, more strongly it will be adsorbed on a polar surface

5. The correct order of increasing strength of adsorption is

A. Alkanes >> Esters >> Aldehydes >> Phenols >> Ketones

B. Aldehydes >> Phenols >> Ketones >> Esters >> Alkanes

C. Aldehydes >> Ketones >> Esters >> Alkanes >> Phenols

D. Alkanes >> Esters >> Ketones >> Aldehydes >> Phenols

Correct Answer is : Alkanes >> Esters >> Ketones >> Aldehydes >> Phenols

Column Chromatography interview questions