Question

4.
Separation of organic compounds by column chromatography is due to
कॉलम वर्णलेखन के द्वारा कार्बनिक यौगिकों के पृथक्करण का कारण है -
(a)
Selective absorption (चयनात्मक अवशोषण)
(b)
Selective adsorption (चयनात्मक अधिशोषण)
(c)
Both absorption and adsorption (अवशोषण एवं अधिशोषण दोनों)
Solubility (विलेयता)
(d)​

Answer 1

Answer:

Chromatography is able to separate substances based on differential adsorption of compounds to the adsorbent; compounds move through the column at different rates, allowing them to be separated into fractions. ... The separation is first optimised using thin-layer chromatography before performing column chromatography.

Answer 2

Answer:

Column chromatography is a technique which is used to separate a single chemical compound from a mixture dissolved in a fluid. It separates substances based on differential adsorption of compounds to the adsorbent as the compounds move through the column at different rates which allow them to get separated in fractions. Hence separation of organic compounds by column chromatography is due to selective adsorption.

Explanation: