Chemistry
Name the solid residual product formed in each reaction and state it's colour during – thermal decomposition of the following substances.
- Copper nitrate.
- Ammonium dichromate.
- Zinc carbonate.
- Lead nitrate.
- Calcium hydroxide.
Answer
Below table lists the solid residual product formed along with it's colour for the given substances:
| Sl. No. | Substance | Residual Product | Colour |
|---|---|---|---|
| 1 | Copper nitrate | Copper [II] oxide | Black |
| 2 | Ammonium dichromate | Chromic oxide | Green |
| 3 | Zinc carbonate | Zinc oxide | White |
| 4 | Lead nitrate | Lead oxide | Yellow |
| 5 | Calcium hydroxide | Calcium oxide | White |
Related Questions
Differentiate between thermal decomposition & thermal dissociation.
Differentiate between the following :
Decomposition reaction & a double decomposition reaction
Differentiate between the following :
Neutralization reaction & a precipitation reaction.
Match the chemical reactions in List I with the appropriate answer in List II.
List I List II AB ⇌ A + B (on heating) A : Double decomposition AB ⟶ A + B B : Thermal dissociation X+Y- + A+B- ⟶ X+B- + A+Y- C : Endothermic reaction X + YZ ⟶ XZ + Y D : Displacement reaction X + Y ⟶ XY - Δ (on heating) E : Decomposition reaction