Chemistry Fsc Part 1 Chapter 10 Online Test

If strip of Cu metal is placed in the solution of FeSO4

• Cu will be precipitated out A
• Fe is precipitated out B
• Cu and Fe both dissolves C
• No reaction takes place D

The difference of potential of two electrodes when concentration of solution is 1 M each at 25 ^oC and 1 atmosphere is called.

• Electrode potential A
• Standard cell potential B
• Cell reaction C
• Cell voltage D

Oxidation number of carbon in NaHCO₃

• +4 A
• -6 B
• +6 C
• +2 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

If a strips of Cu metal is placed in a solution of FeSO4

• Cu will be precipitated down A
• Fe is precipitated out B
• Cu and Fe both dissolve C
• No reaction takes palce D

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

• 
  A
• 
  B
• 
  C
• 
  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

Which is not use of electrochemical series.

• Feasibility of reaction A
• Measurement of EMF of cell B
• Comparison of reactivity with water or acids C
• Determination of atomic and ionic radii D

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

Stronger the oxidizing agent, greater is the

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

When aqueous NaCl is electrolyzed, which of the following ions gas discharged at anode.

• Cl- A
• OH- B
• Na+ C
• H+ 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

Oxidation number of phosphorus in the compound is.

• +3 A
• +4 B
• +5 C
• +6 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

Electrode of the lead storage battery are immersed in dilute H2SO4 which has strength by mass

• 100% A
• 98% B
• 30% C
• 10% D