In the qualitative analysis of nitrate,a brow | vedclass

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Question

(D) The brown ring test is a common test for the detection of nitrate ions $(NO_3^-)$.When a freshly prepared ferrous sulfate $(FeSO_4)$ solution is a

Vedclass · Accepted Answer

$[Fe(H_2O)_5NO]SO_4$

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(D) The brown ring test is a common test for the detection of nitrate ions $(NO_3^-)$.When a freshly prepared ferrous sulfate $(FeSO_4)$ solution is added to an aqueous solution containing nitrate ions,followed by the careful addition of concentrated sulfuric acid $(H_2SO_4)$ along the sides of the test tube,a brown ring is formed at the junction of the two layers.The brown ring is due to the formation of the nitroso-ferrous sulfate complex,which is represented as $[Fe(H_2O)_5NO]SO_4$.

In the qualitative analysis of nitrate,a brown ring is formed due to the formation of:

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