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$42% 19:50 chemistry tutorials fall 2019 - Read-only Read Only - You can't save changes to this file. Save a copy Dismiss EXPERIMENT RESULTS Group III Cations: Reactions of Fe3+ Precipitating compound Precipitate appearance Reaction with: NH OH K [Fe(CN) NaOH (NH4)2S Na2HPO4 Group IV Cations: Reactions of Zn2+ Precipitating compound Precipitate appearance Reaction with: NaOH (NH4)2S K[Fe(CN)6] Group V Cations: Reactions of Ba? Reaction with: Precipitating compound (NH4)2CO3 Precipitate appearance IUS RESEARCH & DEVELOPMENT CENTER INTERNATIONAL UNIVERSITY OF SARAR Hramicka cesta 15.71210 Sarajevo, BiH/ TEE-38731957 101102-P -38733957105 H2SO4 Na HPO4 K Cr04

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Answer 1

Reaction With	Precipitate	Color
NH4OH	Fe(OH)3	Reddish Brown
K4[Fe(CN)6]	Fe[Fe(CN)6]	Brown
NaOH	Fe(OH)3	Reddish Brown
(NH4)2S	Fe2S3	Black
Na2HPO4	FePO4	Yellowish Brown

Reaction With	Precipitate	Color
NaOH	Zn(OH)2	White
(NH4)2S	ZnS	Black
K4[Fe(CN)6]	Zn2[Fe(CN)6]	Whitish Blue

Reaction With	Precipitate	Color
(NH4)2CO3	BaCO3	White
H2SO4	BaSO4	White
Na2HPO4	Ba3(PO4)2	White
K2CrO4	BaCrO4	Yellow