Multiple Choice Questions on

Understanding Corrosion

Questions 11 - 15

Page 3 of 4


11.

The value of (2.303 RT)/F is

[  ]

0.0592

[  ]

0.260

[  ]

0.300

[  ]

0.2850


12.

The value of (2.303 RT)/F varies with

[  ]

temperature

[  ]

the metal being considered

[  ]

the melting temperature of the metal

[  ]

None of the above


13.

A positive emf signifies

[  ]

a deficiency of electrons at the right-hand electrode

[  ]

an excess of electrons at the right-hand electrode

[  ]

a deficiency of electrons at the left-hand electrode

[  ]

None of the above


14.

If E > 0, the cell reaction

[  ]

proceeds from left to right

[  ]

proceeds from right to left

[  ]

does not proceed

[  ]

None of the above


15.

If conventional current (positive electricity) flows from right to left, then the right-hand electrode is

[  ]

the cathode

[  ]

the anode