ELECTRO CHEMISTRY-II

Redox titration involve a change in

• 
• oxidation potential

• 
• Redox potential

DIPHENYLAMINE IS ............ IN REDUCED STATE

• COLOURLESS

• RED

• GREEN

• BLUE-VIOLET

ERIOCHROME BLACK T IS ....IN REDUCED STATE

• BLUE

• VIOLET

• BLACK

• RED

IN ELECTRODE CONCENTRATION CELL

• CONCENTRATION OF ELECTRODE IS SAME

• CONCENTRATION OF ELECTROLYTE IS DIFFERENT

• CONCENTRATION OF ELECTRODE IS DIFFERENT

• TWO DIFFERENT ELECTRODE

METAL-ERIOCHROME COMPLEX IS...... IN COLOUR

• RED

• BLUE

• VIOLET

• COLOURLESS

ELECTROLYTE CONCENTRATION CELL

• CONCENTRATION OF ELECTROLYTE IS THE SAME

• CONCENTRATION OF ELECTROLYTE IS DIFFERENT

• CONCENTRATION OF ELECTRODE IS DIFFERENT

• ALL

t+ IS THE TRANSPORT NUMBER OF

• ANION

• CATION

• ELECTRODE

• ELECTROLYTE

t_- + t₊=

• +1

• -1

• 0

• 2

LJP CAN BE ELIMINATED BY USING

• POROUS PARTITION

• SEMI PERMEABLE MEMBRANE

• SALT BRIDGE

• ALL

WHICH ONE IS CORRECT

• E_H= +0.0591 pH

• E_H= - 0.0591 pH

• E_H= 0.0591 /pH

• E_H= pH/ 0.0591