Three of these are wrong. Find the one that holds.

Exercise and reference answers

Questions

1. Question

   Three of these statements about molar conductivity are false.

   Choices

   1. Item

      It equals κ divided by concentration

      Correct

      Yes

   2. Explanation

      Molar conductivity RISES on dilution.

      Item

      It falls as the solution is diluted

   3. Explanation

      Conductivity is per unit volume, not per mole.

      Item

      It is the same as conductivity

   4. Explanation

      The concentration divides, it does not multiply.

      Item

      It equals κ times concentration

2. Question

   Three of these statements about cells are false.

   Choices

   1. Item

      Galvanic cells run spontaneous redox

      Correct

      Yes

   2. Explanation

      It consumes electrical energy instead.

      Item

      An electrolytic cell produces energy

   3. Explanation

      It is the source, not the load.

      Item

      A galvanic cell needs a power supply

   4. Explanation

      Only the electrolytic cell does.

      Item

      Both types drive non-spontaneous redox

Explanation