Yr 11 - Redox Reactions Flashcards by Ben Reshef

Q

What is oxidation?

A

Loss of electrons (charge increases)

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Q

What is reduction?

A

Gain of electrons (charge decreases)

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Q

Colour of copper (Cu)

A

Red metal

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Q

Color of Bromine (Br₂)

A

Orange soln

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Q

Colour of Chlorine (Cl₂)

A

Pale green gas

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Q

Colour of Chromium ion (Cr³⁺)

A

Green soln

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Q

Colour of Copper ion (Cu²⁺)

A

Blue soln

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Q

Colour of Dichromate ion (Cr₂O₇²⁻)

A

Orange soln

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Q

Colour of Hydrogen and Oxygen (H₂ and O₂)

A

Colourless gas

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Q

Colour of Iodine (I₂)

A

Yellow/brown soln

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Q

Colour of Iron II (Fe²⁺)

A

Pale green soln

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Q

Colour of Iron III (Fe³⁺)

A

Pale orange/brown soln

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Q

Colour of Nitrogen dioxide NO₂

A

Brown gas

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Q

Colour of Permangante ion (MnO₄₋)

A

Purple soln

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Q

Colour of sulphur dioxide (SO₂)

A

Colourless gas

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Q

Colour of water (H₂O)

A

Colourless liquid

Q

Colour of zinc (Zn)

A

Silver metal

Q

Colour of every other option in Redox?

A

Colourless soln