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
✓
Answer
Correct option: B.
It is a stationary phase
b
In case of paper chromatography, there are both stationary and dynamic phases present. So, the statement that tt is a stationary phase is incorrect.
In case of paper chromatography, there are both stationary and dynamic phases present. So, the statement that tt is a stationary phase is incorrect.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The electron affinity of
Which of the following elements is alloyed with copper to form brass
A chemist has $4$ samples of artificial sweetner $A$. $\mathrm{B}, \mathrm{C}$ and $\mathrm{D}$. To identify these samples, he performed certain experiments and noted the following observations :
→$(i)$ $A$ and $D$ both form blue-violet colour with ninhydrin.
$(ii)$ Lassaigne extract of $\mathrm{C}$ give positive $\mathrm{AgNO}_{3}$ test and negative $\mathrm{Fe}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]_{3}$ test.
$(iii)$ Lassaigne extract of $\mathrm{B}$ and D gives positive sodium nitroprusside test
Based on these observations which option is correct ?
The correct order of catenation is
The ground state energy of hydrogen atom is $-13.6\, eV$. The energy of second excited state of $He^+$ ion in $eV$ is
→The masses of photons corresponding to the first lines of Lyman and Balmer series of the spectrum of hydrogen atom are in the ratio of
A substance (initial concentration $= a$) reacts according to zero order kinetics. The time taken for the completion of reaction is nearly
→The set representing more acidic among each of the following $3$ pairs is
→A complex $[CoL_6]^{n+}$ where $L$ is neutral ligand has a magnetic moment $\mu = 4.5\,B. M.$ Hence,
→How many resonance structures are there for anthracene ?
