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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).
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संबंधित प्रश्न
What is the type of salt formed when the reactants are heated at a suitable temperature for the preparation of Nitric acid?
How will you prepare the following from nitric acid?
copper nitrate
How will you prepare the following from nitric acid?
Magnesium nitrate
Name the Following:
Salt referred to as chile saltpeter.
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
Complete and balance the following equation :
SO2 + HNO3 → ______________
Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
What happens when
Common salt solution is added to silver nitrate solution and NH3 solution add to it.
Write the equation for the reaction of dilute nitric acid with copper.
