MCQ
Which is incorrect for paper chromatography
- AIt is a part of partition chromatography
- ✓It is a stationary phase
- C$R _{ f }$ value decrease when rate of adsorption increase
- DNone of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Reason : The presence of additional $d-$ electron offer poor screening effect for the outer electrons from increased nuclear charge.

Codes: $ \quad P \quad Q \quad R \quad S $
$\left[\right.$ Given : $pK _{ b }\left( NH _3\right)=4.745$
$\log 2=0.301$
$\log 3=0.477$
$T =298\,K ]$