Congruent melting point
Congruent melting point represents a definite temperature _____ ________ ______ ____ __________ ___ ______ _______ ________ __________.
_____ ____ ______ ______ ___ ________.
_________ _______ ____ _____ ______ ________ ____ ___ ________ __________.
_______ _____ ____ ____ ___ ____ __________ _______ _________.
________ _____.
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Define a potentiometric titration and draw a schematic graph of a redox potentiometric titration
A conductivity cell having a cell constant of 0.5 cm –1 filled with 0.02 M solution of KCl at 298 K gave a resistance of 20.2 Ω. The water used for preparing the solution had a conductivity of 7.1 × 10–6 S cm–1. Calculate the molar conductivity of 0.02 M KCl solution
Explain the following for an amino acid:
i) Zwitterionic nature
ii) Isoelectric point
Condensed systems
Solid ammonium chloride undergoes sublimation on heating. In the vapour phase ammonium chloride decomposes to give NH3(g) and HCI(g). The following equilibrium is established.
What is the number of
i) phases in the system,
ii) components in the system, and
iii) degrees of freedom of the system?
Give the significance of critical point in the phase diagram of water
Explain the reduction of nitrobenzene using different reagents.