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प्रश्न
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.
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उत्तर
Lead nitrate is soluble salt. On heating lead nitrate the following reaction occurs:
\[\ce{2Pb(NO3)2(s) ->[\Delta] 2PbO(s) + 4NO2(g) + O2(g)}\]
Preparation of nitric acid from potassium nitrate:
\[\ce{KNO3 + H2SO4 ->[200°C] KHSO4 + HNO3}\]
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संबंधित प्रश्न
Name the gas evolved when the following mixtures are heated.
Sodium Nitrite and Ammonium Chloride
Ammonia is used in the Ostwald process.
Name the oxidising agent used in this process.
How will you prepare the following from nitric acid?
Sodium nitrate
Explain with the help of a balanced equation the brown ring test for nitric acid.
Give reason for the following:
Concentrated nitric acid is brown in colour.
What happens when (Given balanced equation) :
Sulphar is added to hot and conc. HNO3?
Complete and balance the following equation :
FeSO4 + NO + H2O → ______________
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Give two chemical tests to distinguish between dilute nitric acid and hydrochloric acid.
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
