Transition metal colours Flashcards by Maddie Whitfield

Q

What colour is aq vanadium (ll) ?

A

violet

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Q

What colour is aq vanadium (lll)?

A

green

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Q

What colour is aq vanadium (lV)?

A

blue

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Q

What colour is aq vanadium (V)?

A

yellow

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Q

What colour is aq chromium (VI)?

A

orange

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Q

What colour is chromium (lll)?

A

green

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Q

What colour is aq Iron (lll)?

A

yellow

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Q

What colour is aq Iron (ll)?

A

pale green

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Q

What colour is aq Cobalt (ll)?

A

pink

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Q

What colour is aqueous copper (ll)?

A

pale blue

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Q

What colour is aqueous copper (ll)?

A

pale blue

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Q

Cr 3+ with few drops NaOH

A

green precipitate

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Q

Cr 3+ with few drops NH3

A

green precipitate

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Q

Cr 3+ with excess NaOH

A

green solution

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Q

Cr 3+ with excess NH3

A

purple solution

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Q

Fe 2+ with few drops NaOH

A

green precipitate

Q

Fe 2+ with few drops NH3

A

green precipitate

Q

Fe 3+ with few drops NaOH

A

rust orange ppte

Q

Fe 3+ with few drops NH3

A

rust orange ppte

Q

Co 2+ with few drops NaOH

A

blue ppte

Q

Co 2+ with few drops NH3

A

blue ppte

Q

Co 2+ with excess NH3

A

brown solution

Q

Co 2+ with conc HCl

A

blue solution

Q

Cu 2+ with few drops NaOH

A

blue ppte

Cu 2+ with few drops NH3

blue ppte

Cu 2+ with excess NH3

deep blue solution

Cu 2+ with conc HCl

yellow solution

What colour is aq Cr 2+

blue