Question

The chromatographic technique was discovered by:
A.Tswett
B.Schonbein
C.Claisen
D.Perkin

Answer 1

Hint: A Russian botanist while working in chlorophyll discovered the technique chromatography for separating the pigments in chlorophyll. The technique has wide applications in synthesis of pure compounds.

Complete step by step answer:
The discovery of chromatography technique dates back to 1900. Mikhail Tswett, a Russian botanist discovered the chromatography technique. During his research work on chromatography he discovered this technique. This term was employed by him in 1916 in his two papers printed about Chlorophyll.
The term chromatography is derived from two Greek words “chroma” and “graphein” which means “colour” and “to write” respectively. Literally it means colour writing. This is a collective term to describe the family of techniques that are used to separate mixtures.
After the discovery a lot of advancements has been made in this technique and a lot of new methods has been developed and few of them are still in progress.
Hence, the chromatographic technique was discovered by Tswett.

So, the correct option is A.

Note:
The discovery of other chemists given in options is listed below which would be quite useful and helpful:
-Christian Friedrich Schonbein invented the fuel cell.
-Ludwig Claisen is famous for his works in condensation of carbonyls there are quite few important name reactions, namely, Claisen condensation, Claisen rearrangement etc.
-Sir William Henry Perkin discovered the aniline dyes.