NEET-UG SERIES
Chemistry

Methods Of Purification Of Organic Compounds

4 previous year questions.

Volume: 4 Ques
Yield: Medium

High-Yield Trend

2
2020
1
2016
1
2011

Chapter Questions
4 MCQs

01
PYQ 2011
medium
chemistry ID: neet-ug-
The Lassaigne's extract is boiled with conc. while testing for halogens. By doing so it
1
helps in the precipitation of
2
increases the solubility product of
3
increases the concentration of ions
4
decomposes and , if formed
02
PYQ 2016
medium
chemistry ID: neet-ug-
The principle of competitive exclusion was stated by
1
C. Darwin
2
G. F. Gause
3
MacArthur
4
Verhulst & Pearl
03
PYQ 2020
easy
chemistry ID: neet-ug-

Paper chromatography is an example of:

1
Adsorption chromatography
2
Partition chromatography
3
Thin layer chromatography
4
Column chromatography
04
PYQ 2020
medium
chemistry ID: neet-ug-
A liquid compound (x) can be purified by steam distillation only if it is
1
Steam volatile, immiscible with water
2
Not steam volatile, miscible with water
3
Steam volatile, miscible with water
4
Not steam volatile, immiscible with water