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प्रश्न
The chemical used in the brown ring test is ______.
विकल्प
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
Name the products formed when dilute HNO3 is added to copper.
Write a balanced equation and name the products formed when cupric oxide reacts with nitric acid.
Write a balanced equation and name the products formed when zinc reacts with dilute nitric acid.
Why is the temperature maintained at 200°C in the above reaction?
What are the reactants required for Ostwald process and what are their sources?
Name the catalyst used in Ostwald process.
Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.
State, what is observe when nitric acid is kept in a reagent bottle for a long time.
Write the equation for the reaction:
Aluminium nitride and Water.
What is the property of nitric acid which allows it to react with copper?
