Chemistry Fsc Part 1 Chapter 10 Online Test

Stronger the oxidizing agent, greater is the

• oxidation potential A
• Reduction potential B
• Redox potential C
• E.M.F of cell D

Electrochemical series is the arrangement of the electrodes in

• Increasing order of reduction potentials A
• Decreasing order of reduction potentials B
• Increasing order of oxidation reduction potential C
• There is no fixed arrangement D

Oxidation number of phosphorus in the compound is.

• +3 A
• +4 B
• +5 C
• +6 D

In which compound oxidation state of chlorine is +5

• NaCl A
• HOCl B
• NaClO3 C
• NaClO2 D

Standard hydrogen electrode has an arbitrarily fixed potential

• 0.00 volts A
• 1.00 volt B
• 0.10 volt C
• None of these D

The cathodic reaction in the electrolysis of dil H2SO4 with Pt electrodes is.

• Reduction A
• Oxidation B
• Both oxidation or reduction C
• Neither oxidation nor raduction D

The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as.

• Voltaic cell A
• Denial cell B
• dry Cell C
• Electrolytic cell D

The oxidation of O -atom in OF3 is.

• -2 A
• +2 B
• -1 C
• +1 D

Fuel cells are the means by which chemical energy may be converted into

• Heat energy A
• Magnetic energy B
• Sound energy C
• Electric energy D

During the electrolysis of molten NaCI, the ion which is reduce is

• 
  A
• 
  B
• 
  C
• 
  D

In electrolysis of aqueous NaCl, Cl-ions are.

• Oxidized at anode A
• Oxidized at cathode B
• Reduced at cathode C
• Neither oxidized nor reduced D

A cell in which electric current is produced as a result of spontaneous redox reaction is called.

• Electrolytic cell A
• Galvanic cell B
• Half cell reaction C
• Down's cell D

• Fe is reduced A
• Fe is oxidized B
• CI₂is oxidized C
• None of these D

The cathodic reaction in the electrolysis of dill. H₂SO₄with Pt electrodes is

• Reduction A
• Oxidation B
• Both oxidation and reduction C
• Neither oxidation nor reduction D

In which of the following changes, nitrogen in reduced.

• NH3 to NO A
• NH3 to NO3 B
• N2 to NH3 C
• N-3 to N2 D

The over all positive value for the reaction potential predicts that process is energetically.

• Not feasible A
• Feasible B
• Impossible C
• No indication D

A single lead cell provides volts

• 2 A
• 4 B
• 6 C
• 8 D