give equation for brown ring test
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H2SO4 and freshly prepared FeSO4 , is known as 'Brown Ring Test'( it is the confirmation test of NO3– too ). ... Nextly, FeSO4 in aqueous solution of course exist as [Fe(H2O)6]SO4, It reacts with NO. [Fe(H2O)5]SO4 + NO = [Fe(NO)(H2O)5]SO4. —— a brown coloured complex which name is Iron(
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it's ok
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