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Solution


Q.

Given below are two statements:                                            [2025]

Statement I: In partition chromatography, stationary phase is thin film of liquid present in the inert support.

Statement II: In paper chromatography, the material of paper acts as a stationary phase.

In the light of the above statements, choose the correct answer from the options given below:
1 Statement I is true but Statement II is false  
2 Statement I is false but Statement II is true  
3 Both Statement I and Statement II are false  
4 Both Statement I and Statement II are true  

Ans.

(1)

Partition chromatography is based on continuous differential partitioning of components of a mixture between stationary and mobile phases. Paper chromatography is a type of partition chromatography. In paper chromatography, a special quality paper known as chromatography paper is used. Chromatography paper contains water trapped in it, which acts as the stationary phase.