analysis

Dropping mercury electrode is

• Reference Electrode

• Indicator Electrode

• Polarized Electrode

• All of the above

DEPOLARIZED ELECTRODE

• Dropping Mercury Electrode

• Saturated Calomel Electrode

• Glass Electrode

• Hydrogen Electrode

These two electrodes are placed in the sample solution which contains

• anions

• cations

• both anions and cations.

• None of the above

In polarography the oxygen present in the sample solution is removed by the alkaline

• Pyridine

• Pyrogallol

• Primary Amine

• None of the above

Silver electrode is not effective in solution containing

• Cyanide

• Ammmonia

• Thiosulphate

• All of the above

Lewis acid:

• An electron donor

• An electron acceptor

• An proton acceptor

• An proton donar

ADVANTAGE OF CONDUCTOMETRIC TITRATIONS

• SPECIFIC CONDUCTIVITY NOT REQUIRED

• NOT NECESSARY TO USE CONDUCTIVITY WATER

• NO INDICATOR IS NECESSARY

• ALL OF THE ABOVE

The diffusion current measured is proportional to the concentration of that particular compound-

• Quantitative aspect.

• Qualitative aspect

• semi Quantitative.

• Semi Qualitative

The choice and Properties of a solvent for the particular titration is

• The solvent should dissolve the substance to be titrated

• Should be easily purified

• Preferably should be less expensive

• ALL OF THE ABOVE

THE POINT OF INFLECTION IN CURRENT VOLTAGE CURVE IS KNOWN AS

• HALF WAVE POTENTIAL

• DIFFUSION CURRENT

• MIGRATION CURRENT

• NONE OF THE ABOVE