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प्रश्न
Give an example of a photochemical decomposition reaction.
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उत्तर
Photochemical decomposition reaction: Decomposition in presence of light.
\[\ce{\underset{\text{hydrogen per oxide}}{2H2O2}->[sun light]2H2O + O2}\]
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संबंधित प्रश्न
(a) What is synthesis?
(b) What kind of chemical reaction is synthesis? Support your answer by an example.
Multiple choice:
The reaction BaCl2(aq) + H2SO4(aq) → BaSO4(s) + 2HCl(aq) is
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{Cl2 + 2Kl->2KCl + l2}\]
Give a balanced equation for a direct combination reaction involving:
Two compounds – resulting in the formation of a weak acid
Give a balanced equation for thermal decomposition of lead nitrate
Give a balanced equation for thermal decomposition of mercury [II] oxide
Give a balanced equation for the following type of reaction:
A direct combination reaction between phosphorus and neutral gas.
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 |
