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Which of the following compound on strong heating evolves ammonia gas?
- a)(NH4)2Cr2O7
- b)NH4NO3
- c)NH4NO2
- d)(NH4)SO4
Correct answer is option 'D'. Can you explain this answer?
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Which of the following compound on strong heating evolves ammonia gas?...
Explanation:
When a compound is strongly heated, it undergoes decomposition to form new compounds or elements. In this case, we need to determine which compound will evolve ammonia gas when heated.
Ammonium sulfate (NH4)2SO4:
- Ammonium sulfate is an inorganic salt with the formula (NH4)2SO4.
- When strongly heated, ammonium sulfate decomposes to form ammonia gas (NH3), sulfur dioxide (SO2), and water (H2O).
- The decomposition reaction can be represented as follows:
(NH4)2SO4 → 2NH3 + SO2 + 2H2O
- Ammonia gas is released as one of the products of the decomposition reaction.
Ammonium nitrate NH4NO3:
- Ammonium nitrate is also an inorganic salt with the formula NH4NO3.
- When heated, ammonium nitrate undergoes decomposition to form nitrous oxide (N2O), water (H2O), and oxygen (O2).
- The decomposition reaction can be represented as follows:
NH4NO3 → N2O + 2H2O + O2
- Ammonia gas is not released as one of the products of the decomposition reaction.
Ammonium nitrite NH4NO2:
- Ammonium nitrite is an inorganic compound with the formula NH4NO2.
- When heated, ammonium nitrite decomposes to form nitrogen gas (N2), water (H2O), and oxygen gas (O2).
- The decomposition reaction can be represented as follows:
NH4NO2 → N2 + 2H2O + O2
- Ammonia gas is not released as one of the products of the decomposition reaction.
Ammonium dichromate (NH4)2Cr2O7:
- Ammonium dichromate is an inorganic compound with the formula (NH4)2Cr2O7.
- When heated, ammonium dichromate decomposes to form chromium(III) oxide (Cr2O3), nitrogen gas (N2), and water (H2O).
- The decomposition reaction can be represented as follows:
(NH4)2Cr2O7 → Cr2O3 + N2 + 4H2O
- Ammonia gas is not released as one of the products of the decomposition reaction.
Conclusion:
Among the given compounds, only Ammonium sulfate ((NH4)2SO4) evolves ammonia gas when strongly heated. The other compounds, Ammonium nitrate (NH4NO3), Ammonium nitrite (NH4NO2), and Ammonium dichromate ((NH4)2Cr2O7), do not release ammonia gas upon heating.
When a compound is strongly heated, it undergoes decomposition to form new compounds or elements. In this case, we need to determine which compound will evolve ammonia gas when heated.
Ammonium sulfate (NH4)2SO4:
- Ammonium sulfate is an inorganic salt with the formula (NH4)2SO4.
- When strongly heated, ammonium sulfate decomposes to form ammonia gas (NH3), sulfur dioxide (SO2), and water (H2O).
- The decomposition reaction can be represented as follows:
(NH4)2SO4 → 2NH3 + SO2 + 2H2O
- Ammonia gas is released as one of the products of the decomposition reaction.
Ammonium nitrate NH4NO3:
- Ammonium nitrate is also an inorganic salt with the formula NH4NO3.
- When heated, ammonium nitrate undergoes decomposition to form nitrous oxide (N2O), water (H2O), and oxygen (O2).
- The decomposition reaction can be represented as follows:
NH4NO3 → N2O + 2H2O + O2
- Ammonia gas is not released as one of the products of the decomposition reaction.
Ammonium nitrite NH4NO2:
- Ammonium nitrite is an inorganic compound with the formula NH4NO2.
- When heated, ammonium nitrite decomposes to form nitrogen gas (N2), water (H2O), and oxygen gas (O2).
- The decomposition reaction can be represented as follows:
NH4NO2 → N2 + 2H2O + O2
- Ammonia gas is not released as one of the products of the decomposition reaction.
Ammonium dichromate (NH4)2Cr2O7:
- Ammonium dichromate is an inorganic compound with the formula (NH4)2Cr2O7.
- When heated, ammonium dichromate decomposes to form chromium(III) oxide (Cr2O3), nitrogen gas (N2), and water (H2O).
- The decomposition reaction can be represented as follows:
(NH4)2Cr2O7 → Cr2O3 + N2 + 4H2O
- Ammonia gas is not released as one of the products of the decomposition reaction.
Conclusion:
Among the given compounds, only Ammonium sulfate ((NH4)2SO4) evolves ammonia gas when strongly heated. The other compounds, Ammonium nitrate (NH4NO3), Ammonium nitrite (NH4NO2), and Ammonium dichromate ((NH4)2Cr2O7), do not release ammonia gas upon heating.
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Community Answer
Which of the following compound on strong heating evolves ammonia gas?...
(NH4)2SO4 + NaOH - NH3 + H2O + Na2SO4 .
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Which of the following compound on strong heating evolves ammonia gas?a)(NH4)2Cr2O7b)NH4NO3c)NH4NO2d)(NH4)SO4Correct answer is option 'D'. Can you explain this answer?
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