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प्रश्न
Give a balanced equation for the following type of reaction:
A decomposition reaction of a salt which leaves behind a silvery metal.
उत्तर
Decomposition reaction of a salt leaving behind a silvery metal.
\[\ce{2AgNO3->[\Delta]\underset{\text{silvery residue}}{2Ag} + 2NO2 + O2}\]
\[\ce{2AgCl->[sun light]\underset{\text{silvery residue}}{2Ag} + Cl2}\]
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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 |
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