Advertisements
Advertisements
प्रश्न
The nitrate salt which does not give a mixture of NO2 and O2 on heating is ______.
पर्याय
AgNO3
KNO3
Cu(NO3)2
Zn(NO3)2
Advertisements
उत्तर
The nitrate salt which does not give a mixture of NO2 and O2 on heating is KNO3.
Explanation:
When heated, alkali metal nitrates, such potassium or sodium nitrates, melt and transform into colourless liquids that break down to release oxygen gas.
\[\ce{2KNO3->[Δ][]2KNO2 + O2↑}\]
संबंधित प्रश्न
Write balanced chemical equations for Action of hot and concentrated Nitric acid on copper
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
How will you prepare the following from nitric acid?
Magnesium nitrate
Can we use conc. HCl in place of Conc. H2SO4 ?
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
Fill in the blank with appropriate word/words.
Ammonal is a mixture of ________ and __________
Fill in the blank with appropriate word/words.
3 Cu + 8 HNO3 (dilute) → _______ + 4H2O + _________
Balanced equation of oxidation of carbon with concentrated HNO3
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
