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MCQ on poentiometry: Page-1

The electrode potentials are calculated by
Ilkovic equation

(A) P

(B) Q

(C) R

(D) S

To retard the hydrolysis of silicates and lessen the mobility of sodium ions, which of the following are added to the pH-sensitive glass membrane electrodes
Lithium

(A) Q,S

(B) P,R

(C) Q,R

(D) P,S

The electrochemical analysis, in which the current is measured by keeping potential constant is
Potentiometric titrations

(A) P

(B) Q

(C) R

(D) S

All of the following statements are correct regarding potentiometric titrations, except

(A) They are suitable for colored or turbid reactions

(B) The emf of the cell is zero at the equivalence point

(C) These are not suitable for analysis of dilute solutions less than 0.001M

(D) Liquid junction potentials will not influence the study

In an electrolytic cell, metal passes in to ions at

(A) Cathode

(B) Anode

(C) Salt bridge

(B) No oxidation or reduction