Question

Define the following terms:

(a) Electrolysis
(b) Non-electrolyte
(c) Cation and an anion
(d) Weak electrolyte

Answer 1

Answer:

a) Electrolysis – Electrolysis is the process by which ionic substances are decomposed (broken down) into simpler substances when an electric current is passed through them. Electricity is the flow of electrons or ions.

b) Non-electrolyte – a substance that does not readily ionize when dissolved or melted and is a poor conductor of electricity is called non- electrolyte.

c) cation and an anion – (i) Cations are positively-charged ions (atoms or groups of atoms that have more protons than electrons due to having lost one or more electrons).(ii) Anions are negatively-charged ions (meaning they have more electrons than protons due to having gained one or more electrons).

d) weak electrolyte –A weak electrolyte is an electrolyte that does not completely dissociate in aqueous solution. The solution will contain both ions and molecules of the electrolyte.

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Answer 2

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Define the following terms:

(a) Electrolysis

(b) Non-electrolyte

(c) Cation and an anion

(d) Weak electrolyte

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a) Electrolysis – Electrolysis is the process by which ionic substances are decomposed (broken down) into simpler substances when an electric current is passed through them. Electricity is the flow of electrons or ions.

b) Non-electrolyte – a substance that does not readily ionize when dissolved or melted and is a poor conductor of electricity is called non- electrolyte.

c) Cation and an Anion – (i) Cations are positively-charged ions (atoms or groups of atoms that have more protons than electrons due to having lost one or more electrons).

(ii) Anions are negatively-charged ions (meaning they have more electrons than protons due to having gained one or more electrons).

d) Weak Electrolyte – A weak electrolyte is an electrolyte that does not completely dissociate in aqueous solution. The solution will contain both ions and molecules of the electrolyte.

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