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प्रश्न
State which of the substance given below evolve oxygen gas on thermal decomposition.
Anhydrous copper sulphate
उत्तर
Anhydrous copper sulphate [CuSO4]
On thermal decomposition, Anhydrous copper sulphate is evolved oxygen
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संबंधित प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
2HgO → 2Hg + O2
State the type of reactions for the following represent and balance the ones that are not balanced.
AgNO3 + NaCl → AgCl + NaNO3
Decomposition reactions can occur by heat.
Give two balanced reactions for each.
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
Give a balanced equation for thermal decomposition of lead nitrate
Define a displacement reaction with a suitable example.
Give a balanced equation for the preparation of two different insoluble lead salts from their salt solutions by double decomposition precipitation.
State the double decomposition – neutralization reaction with a suitable representation.
Differentiate between the following:
Synthesis reaction and a substitution reaction.
Match the chemical reactions in List I with the appropriate answer in List II.
| List I | List II |
| 1. \[\ce{AB⇌[heat]A + B}\] | A: Double decomposition |
| 2. \[\ce{AB->A + B}\] | B: Thermal dissociation |
|
3. \[\ce{X+Y- + AB+B- ->X+B- + A+Y-}\] |
C: Endothermic reaction |
| 4. \[\ce{X + YZ->XZ + Y}\] | D: Displacement reaction |
| 5. \[\ce{X + Y->[heat]XY - \Delta}\] | E: Decomposition reaction |
