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Question
Give a balanced equation for the following type of reaction:
A thermal decomposition reaction of a salt – which results in the formation of nitrogen gas.
Solution
Thermal decomposition of salt with the formation of nitrogen gas.
\[\ce{\underset{\text{ammonium dichromate (orange)}}{(NH4)2Cr2O7}->[\Delta]\underset{\text{chromic oxide (green)}}{Cr2O3} + 4H2O + \underset{\text{nitrogen gas}}{N2}}\]
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| List I | List II |
| 1. \[\ce{AB⇌[heat]A + B}\] | A: Double decomposition |
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|
3. \[\ce{X+Y- + AB+B- ->X+B- + A+Y-}\] |
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