Test for aqueous cations Flashcards by Shania Samarasuriya | Brainscape

Q

Aluminium + NaOH

A

white ppt, soluble in excess

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Q

Aluminium + Aqueous ammonia

A

white ppt, insoluble in excess

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Q

Ammonium + NaOH

A

ammonia produced

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Q

Calcium + NaOH

A

white ppt, insoluble in excess

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Q

Calcium + Aqueous ammonia

A

no ppt, or slightly white ppt

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Q

chromium(III) + NaOH

A

green ppt, soluble in excess

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Q

chromium(III)+ Aqueous ammonia

A

grey/green ppt, insoluble in excess

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Q

Copper(II) + NaOH

A

Light blue ppt, insoluble in excess

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Q

Copper(II) + Aqueous ammonia

A

soluble in excess, light blue ppt

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Q

Iron(II) + NaOH/Aqueous ammonia

A

green ppt, insoluble in excess

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Q

Iron(III) + NaOH/Aqueous ammonia

A

red-brown ppt, insoluble in excess

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Q

Zince + NaOH/Aqueous ammonia

A

white ppt, soluble in excess

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