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A-level Chemistry > Transition metals > Flashcards

Transition metals Flashcards

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1
Q

What colour is Ti³+ ?

A

Purple

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2
Q

What colour is Ti²+ ?

A

Violet

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3
Q

What colour is VO₂+ ?

A

Yellow

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4
Q

What colour is V³+ ?

A

Green

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5
Q

What colour is V²+ ?

A

Violet

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6
Q

What colour is Cr₂O₇²- ?

A

Orange

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7
Q

What colour is Cr³+?

A

Green

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8
Q

What colour is MnO₄-?

A

Purple

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9
Q

What colour is MnO₄²- ?

A

Green

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10
Q

What colour is Mn²+ ?

A

Pale pink

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11
Q

What colour is Fe³+?

A

Yellow

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12
Q

What colour is Fe²+?

A

Pale green

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13
Q

What colour is CO²+?

A

Pink

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14
Q

What colour is Ni²+?

A

Green

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15
Q

What colour is Cu²+?

A

Pale blue

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16
Q

What are chromium ions reduced by?

A

Zinc

17
Q

Why do transition metals make good catalysts?

A

Because they can change oxidation number by gaining or losing electrons within their d- orbitals

18
Q

What type of catalyst can Mn²+ act as?

A

An autocatalyst

19
Q

What is used to memorise the oxidation states of Vanadium?

A
  • You Better Get Vanadium
  • Yellow Blue Green Violet
  • +5, +4, +3, +2
20
Q

Which industrial processes involve a heterogenous catalyst?

A

The Haber Process and the Contact Process

21
Q

Where do most reactions involving homogeneous catalysts take place?

A

In solution

22
Q
A

A-level Chemistry (19 decks)

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