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प्रश्न
State one relevant observation for the following:
Burning of ammonia in excess of oxygen.
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उत्तर
When ammonia is exposed to excess oxygen, it produces a yellowish-green flame due to the formation of Nitrogen gas.
\[\ce{4NH3_{(g)} + 3O2_{(g)} -> 2N2_{(g)} + 6H2O_{(l)}}\]
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Reaction of Ammonia with heated copper oxide.
A gas ‘A’ reacts with another gas ‘B’ in the presence of a catalyst to give a colourless gas ‘C’. The gas ‘C’ when comes in contact with air produces a brown gas ‘D’. The solution of ‘A’ in water turns red litmus blue. Explain the observations.
Study the flow chart given and give balanced equations to represent the reactions A, B and C:
\[\ce{Mg3N2 ->[A] NH3 <=>[B][C] NH4Cl}\]
Copy and complete the following table which refers to the industrial method for the preparation of ammonia and sulphuric acid:
| Name of the compoun | Name of the process | Catalytic equation (with the catalyst) |
| Ammonia | (i)__________ | (ii) __________ |
| Sulhuric acid | (iii) ___________ | (iv) __________ |
Give a balanced chemical equation for the following:
Reaction of ammonia with sulphuric acid.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
CuSO4
Choose the correct answer from the options given below :
Ammonia reacts with excess chlorine to form
(a) Name the catalyst used in 1(ii)
(b) In the reaction referred to in 1(ii), the catalyst glows red hot. Why?
(c) What is the name of the industrial process which starts with the reaction reffered to in 1 (ii)?
Look at the following reaction :
A. Nitrogen + metal → compound X
B. X + water → ammonia + another compound
C. Ammonia + metal oxide → metal + water + N2
(i) One metal that can be used for reaction in A is magnesium.
(a) Write the formula of the compound X, that is formed.
(b) Write the balanced equation for reaction B, where Xis the compound formed.
( c) Which property of ammonia is demonstrated by reaction C?
The catalyst used in the oxidation of ammonia is ______.
