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प्रश्न
Explain with the help of a balanced equation, the brown ring test for nitric acid.
उत्तर
Brown ring test -
Nitric acid in a test tube is taken and then and then freshly prepared ferrous sulphate solution is added. Concentrated H2SO4 is then added carefully down the sides of the test tube, dark brown ring is formed at the junction of two layers.
\[\ce{6FeSO4 + 3H2SO4 + 2HNO3 -> 3Fe2(SO4)3 + 2NO + 4H2O}\]
\[\ce{FeSO4 + NO + 5H2O -> \underset{\text{Hydrated nitrosoferrous sulphate(brown ring)}}{[Fe(NO)(H2O)5]SO4}}\]
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संबंधित प्रश्न
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Name the products formed when carbon and conc. nitric acid is heated.
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
Name the Following:
Salt referred to as chile saltpeter.
Choose the correct answer from the option given below :
Concentrated nitric acid oxidises phosphorus to :
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.
Copy and complete the following table relating to important industrial processes output refers to the product of the process not the intermediate steps.
| Name of process | Inputs | Catalyst | Equation for catalysed reaction | Output |
| Haber process | Hydrogen + | |||
|
Ammonia + |
Nitric acid |
Balanced equation of oxidation of carbon with concentrated HNO3
What happens when
NH3 solution is added to CuSO4 solution drop by drop and then in excess.
What is the property of nitric acid which allows it to react with copper?
