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प्रश्न
The chemical used in the brown ring test is ______.
पर्याय
CuSO4
FeSO4
Fe2(SO4)3
ZnSO4
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उत्तर
The chemical used in the brown ring test is FeSO4.
Explanation:
In the brown ring test for nitrates, ferrous sulphate (FeSO4) reacts with concentrated sulphuric acid (H2SO4) and nitrate ions to form a brown ring due to the formation of the Fe(NO)2+ (nitroso iron complex).
संबंधित प्रश्न
Name a metal nitrate which on heating is changed into metal oxide.
Name the Following:
Gas obtained by treating manganese with 1% nirtric acid.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.
What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?
State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equcation for the reaction.
Give the name of a soluble lead salt and write the eqution for the action of heat on this salt. Write the equation for the preparation of nitric acid from potassium nitrate.
Write a chemical equation to illustrate the acidic nature of nitric acid.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution
Explain why nitric acid is kept in a reagent bottle for a long time.
