Which statement is not true with respect to nitrate ion test?

Question

Canvas Classes · Accepted Answer

Step 1: Recall the Brown Ring Test for Nitrate

The brown ring test detects  (nitrate ion):
1. Aqueous  is added to the solution suspected of containing nitrate
2. Conc.  is slowly poured down the side of the test tube (NOT mixed)
3. A dark brown ring forms at the junction of the two liquids

Step 2: Chemistry of the Brown Ring

Conc.  reacts with nitrate to give  gas:

The  reacts with :

The brown complex is  — this is a nitrosoferrous sulphate complex.

Step 3: Identify the Incorrect Statem

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