QA - CATIONS/METALS Flashcards by Kieran goh

Q

What happens when Ca²⁺ + NaOH

A

White precipitate remained

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Q

What happens when Zn²⁺ + NaOH

A

White precipitate is dissolved

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Q

What happens when Al³⁺ + NaOH

A

White precipitate is dissolved

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Q

What happens when Fe(II) + NaOH

A

Green precipitate remained

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Q

What happens when Fe(III) + NaOH

A

Reddish brown precipitate remained

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Q

What happens when Cu²⁺ + NaOH

A

Blue precipitate remained

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Q

What happens when NH4⁺ + NaOH

A

NH3 gas released when heated

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Q

What happens when Ca²⁺ + NH3

A

No precipitation

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Q

What happens when Zn²⁺ + NH3

A

White precipitate dissolved

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Q

What happens when Al³⁺ + NH3

A

White precipitate remained

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Q

What happens when Fe(II) + NH3

A

Green precipitate remained

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Q

What happens when Fe(III) + NH3

A

Reddish brown precipitate remained

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Q

What happens when Cu²⁺ + NH3

A

Blue precipitate dissolved to give dark blue solution

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