Significance and usage of reactivity series of metals: Iron which is present in the middle of the table of the reactive series when reacted with sulfuric acid produces hydrogen and metal salt namely iron sulphate.į e ( s ) + H 2 S o 4 ( l ) → F e S o 4 ( a q ) + H 2 ( g ) It produces hydrogen and metal hydroxide when it reacts with cold water.Ģ N a ( S ) + 2 H 2 O ( l ) → 2 N a O H ( a q ) + H 2 ( g )
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