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AS Level Chemistry > Acid-Base & Redox Reactions > Flashcards

Acid-Base & Redox Reactions Flashcards

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1
Q

What is an Acid?

A

An Acid is a Proton Donor (H+ Ion)

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2
Q

What is the Term given to Acids that can Donate 2 Protons?

A

Diprotic Acids can Donate Two Protons

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3
Q

Give an Example of a Diprotic Acid

A

Sulphuric Acid (H2SO4) is a Diprotic Acid

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4
Q

What is a Base?

A

A Base is a Proton (H+ Ion) Acceptor

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5
Q

Give 4 Examples of Bases

A

Some Bases are:

  • Metal Oxides
  • Metal Hydroxides
  • Ammonia
  • Organic Compounds (Amines)
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6
Q

What is an Alkali?

A

Alkalis are Soluble Bases which release OH- Ions into Water

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7
Q

What does the term Amphoteric mean?

A

Amphoteric substances have Acid and Base Properties (e.g. Amino Acids)

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8
Q

Define the term Salt

A

A Salt is an Ionic Compound formed when a H+ Ion is Replaced by a Metal Ion or other Positive Ion

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9
Q

What is a Cation?

A

A Cation is a Positively Charged Ion (Usually Metal or Ammonium)

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10
Q

What is an Anion?

A

An Anion is a Negatively Charged Ion (They are Derived from the Acid)

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11
Q

Acid + Carbonate →…?

A

Acid + Carbonate → Salt + CO2 + H2O

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12
Q

Acid + Base/Alkali →…?

A

Acid + Base/Alkali → Salt + H2O

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13
Q

What is a Redox Reaction?

A

A Redox Reaction is a Reaction where Oxidation and Reduction take place

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14
Q

Oxidation Is…

A

Oxidation is the Loss of Electons

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15
Q

Reduction is…

A

Reduction is Gain of Electrons

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16
Q

What is a Reducing Agent?

A

A Reducing Agent is a Substance that Reduces Other Substances and Loses Electrons

17
Q

What is an Oxidising Agent?

A

An Oxidising Agent is a Substance that Oxidises Other Substances and Gains Electrons

18
Q

What is a Spectator Ion?

A

Spectator Ions are Ions that exist in the Same Form as a Reactant & Product, therefore Aren’t Used in the Reaction

19
Q

What is a Disproportionation Reaction?

A

A Disproportionation Reaction is a reaction where a Substance is both Oxidised & Reduced, forming 2 Different Products

20
Q

Define Anhydrous

A

An Anhydrous Substance is one containing No Water

21
Q

Define Hydrated

A

A Hydrated Salt Contains Water and is in a Crystalline State

22
Q

Acid + Metal →…?

A

Acid + Metal → Salt + Hydrogen

AS Level Chemistry (7 decks)

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