Basic Analytical Techniques class 11 chemistry chapter 3 exercise solutions

Basic Analytical Techniques class 11 chemistry chapter 3 exercise solutions

Check out my Instagram profile and follow for direct messages.🤗

our telegram group
join for solutions and PDF

#solutions_made_easy #maharashtrastateboard
Choose the correct option

A. Which of the following methods can be
used to seperate two compounds with
different solubilities in the same solvent?
a. Fractional crystallization
b. Crystallization
c. Distillation
d. Solvent extraction
B. Which of the following techniques is
used for seperation of glycerol from soap
in soap industry ?
a. Distillation under reduced pressure
b. Fractional distillation
c. Filtration
d. Crystallization
C. Which technique is widely used in
industry to seperate components of
mixture and also to purify them ?
a. Steam distillation
b. Chromatography
c. Solvent extraction
d. Filtration
D. A mixture of acetone and benzene can be
seperated by the following method :
a. Simple distillation
b. Fractional distillation
c. Distillation under reduced pressure
d. Sublimation
E. Colourless components on chromatogram
can be observed by the following :
a. Using UV light
b. Using iodine chamber
c. Using the spraying reagent
d. Using infrared light
2. Answer the following
A. Which of the following techniques is
used for purification of solid organic
compounds?
a. Crystallisation b. Distillation
B. What do you understand by the terms
a. residue b. filtrate.
C. Why is a condenser used in distillation
process?
D. Why is paper moistened before
filtration?
E. What is the stationary phase in Paper
Chromatography?
F. What will happen if the upper outlet of
the condenser is connected to the tap
instead of the lower outlet?
G. Give names of two materials used as
stationary phase in chromatography.
H. Which properties of solvents are useful
for solvent extraction?
I. Why should spotting of mixture be done
above the level of mobile phase ?
J. Define : a. Stationary phase b. Saturated
solution
K. What is the difference between simple
distillation and fractional distillation?
L. Define a. Solvent extraction b.
Distillation.
M. List the properties of solvents which
make them suitable for crystallization.
N. Name the different types of
Chromatography and explain the
principles underlying them.
O. Why do we see bands separating in
column chromatography?
P. How do you visualize colourless
compounds after separation in TLC and
Paper Chromatography?
Q. Compare TLC and Paper
Chromatography techniques.
3. Label the diagram and explain the process
in your words.

@AmazonInOfficial

[kaverishewale]

Thnx sir for easy question answer plz make more videos supported him ❤😊

[MohitMargan]

God person bro keep it up you will succeed

[bbfyydn]

Thanku so much sir for your support and technology 😊

[AKASH_YADAV_]

Thank you sir 🙂










































Thank you sir 🙂

[mishuuo]

Sir aap question ke answer kahan se late ho