The correct match between Item I and Item II is: Item I Item II (A) Benzaldehyde (P) Mobile phase (B) Alumina (Q) Adsorbent (C) Acetonitrile (R) Adsorbate

JEE Main 20199 JanuaryEvening Shift

JEE Main 2019 · 9 January · Evening Shift · Chemistry · Surface Chemistry

The correct match between Item I and Item II is: Item I Item II (A)...

The correct match between Item I and Item II is:

A $\left(A\right) \to \left(P\right); \left(B\right) \to \left(R\right); \left(C\right) \to \left(Q\right)$
B $\left(A\right) \to \left(R\right); \left(B\right) \to \left(Q\right); \left(C\right) \to \left(P\right)$
C $\left(A\right) \to \left(Q\right); \left(B\right) \to \left(P\right); \left(C\right) \to \left(R\right)$
D $\left(A\right) \to \left(Q\right); \left(B\right) \to \left(R\right); \left(C\right) \to \left(P\right)$

B. $\left(A\right) \to \left(R\right); \left(B\right) \to \left(Q\right); \left(C\right) \to \left(P\right)$

In chromatography;

Benzaldehyde is a substance that is absorbed. It acts as an adsorbate.

Benzaldehyde:- Adsorbate

Alumina is a highly porous substance that adsorbs another substance. It acts as an adsorbent.

Alumina:- adsorbent

Acetonitrile is used as a mobile phase in chromatography.

Acetonitrile:- mobile phase