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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
Give two chemical equations for the following:
Reactions of nitric acid with non-metals.
Why is freshly prepared ferrous sulphate solution used for testing the nitrate radical in the brown ring test?
The action of heat on the blue crystalline solid X gives a reddish brown gas Y, a gas which re-lights a glowing splint and leaves a black residue. When gas Z, which has a rotten egg smell, is passed through a solution of X, a black ppt. is formed.
- Identify X, Y and Z.
- Write the equation for the action of heat on X.
- Write the equation between solution X and gas Z.
Why is freshly prepared ferrous sulphate solution used in the ring test?
What do you observe when?
Scrap zinc is heated with conc. HNO3?
What happens when (Given balanced equation) :
Sulphar is added to hot and conc. HNO3?
Complete and balance the following equation :
Pt + HNO3 + HCl → ___________
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
Write a balanced equation for following :
Laboratory preparation nitric acid.
