SKT1013-exp-4.docx - SKT 1013 INTRODUCTION TO INORGANIC...

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SKT 1013INTRODUCTION TO INORGANIC CHEMISTRYLABORATORY EXPERIMENT REPORTEXPERIMENT 4PREPARATION OF POTASSIUM TRI(OXALATE)ALUMINATE(III)TRIHYDRATEGROUP : JLAB SESSION :2.00 pm – 5.00 pmNAMEMATRIX NUMBER1.NABILA BINTI ZAIDIE201310074252.NUR KHALIEDA BINTI KAMARUDINE201310074233.WAN NUR AMANINA BINTI WANMAHADZIRE201310073994.MUHAMMAD NAJMI BIN ZAINALE20131007381
TITLE:PREPARATION OF POTASSIUM TRI(OXALATE)ALUMINATE(III)TRIHYDRATEOBJECTIVE:Synthesis potassium tri(oxalate)aluminate(III) trihydrateINTRODUCTION:Aluminium, like many of the transition metals, forms octahedral complex ions. In this lab you will synthesize potassium tris(oxalato)aluminate(III), K3[Al(C2O4)3]•3H2O. Aluminium is reactive enough to displace hydrogen from water. However, this does not occur because aluminium develops a layer of aluminium oxide that protects the metal surface. This oxide coating can be dissolved by acid, according to the equation shown below.

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