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प्रश्न
Give a balanced equation for thermal decomposition of mercury [II] oxide
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उत्तर
Decomposition of Mercury [II] oxide `["HgO"]`:
\[\ce{2HgO->[\Delta]2Hg + O2}\]
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संबंधित प्रश्न
Explain, giving one example of the following chemical change:
Thermal dissociation
State the type of reactions for the following represent and balance the ones that are not balanced.
PbO2 + SO2→ PbSO4
State the type of reactions for the following represent and balance the ones that are not balanced.
CaCO3→ CaO+ CO2
What is a double displacement reaction?
Select the correct salt from list II which on thermal decomposition exhibits the change in colour from list I.
| List I | List II |
| 1. Light green to black | A: Copper carbonate |
| 2. White to yellow [heated state] | B: Hydrated Copper sulphate |
| 3. Blue to black | C: Copper nitrate |
| 4. Orange to green | D: Ammonium dichromate |
| 5. Blue to white | E: Zinc nitrate |
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{AgNO3 + HCl->AgCl + HNO3}\]
Define the following type of chemical change or reaction with a suitable example.
Direct combination reaction or synthesis
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a monovalent metal
Define a thermal dissociation reaction with a suitable example.
Convert an insoluble base
