Chemistry 4.3.4

Question 1

Which Molecules will Aqueous Solutions always Contain?

Answer 1

Water Molecules- H2O.

Question 2

In the Electrolysis of Aqueous Solutions, the Water Molecules Dissociate, Producing… (2)

Answer 2

H+ & OH- Ions.

Question 3

So in the Electrolysis of Aqueous Solutions, ___ is also Involved.

Answer 3

Water.

Question 4

Halogens Form ___ Charged ___ Ions.

Answer 4

Negatively, Halide.

Question 5

If Halide Ions & OH- are Present at the Anode, what will happen?

Answer 5

The Halide Ions is Discharged, loses Electrons, & Forms a Halogen.

Question 6

If no Halide Ions are Present at the Anode, but OH- is, what happens?

Answer 6

OH- is Discharged at the Anode, loses Electrons, & forms Oxygen.

Question 7

Positively Charged H+ & Metal Ions are Attracted to the Cathode, but only one will Gain ___.

Answer 7

Electrons.

Question 8

At the Cathode, if the Metal Ion is above Hydrogen in the Reactivity Series, what will happen?

Answer 8

Hydrogen will be Produced, & Bubbling will be seen at the Cathode.

Question 9

Either the ___ Gas or the ___ will be Produced at the Cathode.

Answer 9

Hydrogen, Metal.

Question 10

The ___ Reactive Ions remain in the Solution. So the ___ Reactive Ions are Discharged at the Electrodes.

Answer 10

More, Least.