JEE Main 2022 · 28 Jul · Shift 2 · Chemistry Q48

ChemistrySingle correct+4 / -1Question 48 of 90

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R

Assertion A : Thin layer chromatography is an adsorption chromatography.

Reason R : A thin layer of silica gel is spread over a glass plate of suitable size in thin layer chromatography which acts as an adsorbent.

In the light of the above statements, choose the correct answer from the options given below

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is NOT the correct explanation of A

A is true but R is false

A is false but R is true

Answer and worked solution

Official answer: A

TLC is adsorption chromatography, and the silica gel layer is the adsorbent. R explains A.

(A)

Topics:Purification and characterisation

JEE Main 2022 · 28 Jul · Shift 2, Chemistry question 48