D:-DFT and molecular mechanics method
Correct Answer:- Option-B

Question61:-Which of the following statement(s) are correct

A. Glass electrode only compares pH values while the hydrogen electrode
measure pH absolutely

B. The pH values measured by quinhydrone electrode are very accurate even in
the presence of oxidising ions

C. Potentiometry is a method of electroanalysis is used to find the concentration of
a solute in a solution

D. Amperometry is the technique to detect the ions in a solution depending on
electric voltage or changes in redox potential

A:-A, B and C are correct
B:-A, C and D are correct
C:-A, B and D are correct
D:-B, C and D are correct
Correct Answer:- Option-A

Question62:-The Electrokinetic phenomenon in which the movement of particles
causes potential is

A:-Sedimentation potential
B:-Electroosmosis
C:-Streaming potential
D:-Electrophorosis
Correct Answer:- Option-C
Question63:-Which of the following is not suitable for Amperometry?
A:-Quantification of ons/mixture of ions
B:-Identification of polysaccharide
C:-Use as amperometric detector in HPLC

D:-It is based on the principle of polarography, with the exception that the
voltage is maintained constant during the titration

Correct Answer:- Option-B

Question64:-The salts of a given metal can be arranged in order of their decreasing
ability to remove lyophilic substances from colloidal solution. This series is called

A:-Hofmeister series

B:-Hardy series

C:-Helmoltz potential series
D:-Hydrotropic potential series
Correct Answer:- Option-A

Question65:-Identify the correct statements
A. During gelation there is a large increase in viscosity
8. Imbibation pressure breaks the soil around the seeds during germination