Quiz – Chemistry pt1-ch10 – Electrochemistry

Which metal will dissolve in a galvanic cell containing copper and silver electrodes? (C u- l Cu = 0.341 Ag Ag = - 0.801

During the electrolysis of aqueous solution of NaCl using inert electrodes

Oxidation number of ’Mn' in KMnO4 is:

If salt bridge is NOT used between two half cells then the voltage of a cell________.

Which statement is true for the reaction given? CuO H2 → Cu) + H2O

A smuggler could not carry gold by chemically depositing iron on gold surface:

Which of the following reaction involve oxidation and reduction?

Standard reduction electrode potential of the three metals A, B and C are 0.5 v, -3.0 v and -1.2 v, respectively. The order of reducing power is _________.

The product obtained at Anode by the electrolysis of an aqueous solution of H2SO4 using an inert electrode is__________.

Oxidation No. of oxygen in OF2 is:

Cathode in NiCAD cell is:

Oxidation state of chromium in K2CrO4 is

Which statement is not correct about galvanic cell?

Platinum, Palladium iridium etc. are called noble metals because:

Oxidation state of Mn is MnO4-2 is:

The electrode reaction in the electrolysis of dil. H2SO4, with pt. electrode is:

Which one is not an electrolyte:

Stronger the oxidizing agent, greater is the:

The potential of standard Hydrogen electrode is always fixed as:

The oxidation number of Cl in HClO4 is:

In H2SO4 the oxidation number of S

If the salt bridge is not used between two half cells, then the voltage

If a strip of Cu metal is placed in a solution of FeSO4:

Reduction always takes place at: