हिंदी

Study the flow chart given and give balanced equations to represent the reactions A, B and C: Mg3N2 ->[A] NH3 <=>[B][C] NH4Cl

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प्रश्न

Study the flow chart given and give balanced equations to represent the reactions A, B and C:

\[\ce{Mg3N2 ->[A] NH3 <=>[B][C] NH4Cl}\]

रासायनिक समीकरण/संरचनाएँ
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उत्तर

A: \[\ce{Mg3N2 + 6H2O -> 3Mg(OH)2 + 2NH3}\]

B: \[\ce{3Cl2 + 8NH3 -> 6NH4Cl + N2}\]

C: \[\ce{2NH4Cl + Ca(OH)2 -> CaCl2 + 2H2O + 2NH3}\]

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अध्याय 9: Study of Compounds B. Ammonia - EXERCISE-9 [पृष्ठ १६१]

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एस पी सिंग Concise Chemistry [English] Class 10 ICSE
अध्याय 9 Study of Compounds B. Ammonia
EXERCISE-9 | Q 20. | पृष्ठ १६१

संबंधित प्रश्न

Name the gas obtained when ammonia burns in an atmosphere of oxygen without any catalyst.


Name the following 

Liquid when added to metallic nitride that yield ammonia.


State one possible source of each reactant used in the process.


When ammonium hydroxide is added to a solution B, a pale blue precipitate is formed. The pale blue precipitate dissolves in excess of ammonium hydroxide to give an inky blue solution. What is the cation (positive ion) present in solution B? What is the probable colour of solution B?

Certain blank spaces are left in the following table and these are labelled as A,B,C,Da and E. Identify each of then

1

HCl gas

NaCl + H2SO4

A = ________

Conc.H2SO4

B = ___

2

NH3 gas

C = ____

Mg(OH)2NH3

D = ______

E = ___


 Name the substance used for drying ammonia gas? Why cannot substances such as conc.H2SO4, anhydrous calcium chloride and phosphorus pentoxide be used for drying ammonia gas?


Give balanced reactions for the following conversion:

Ammonia to nitrogen using trichloride.


Give balanced reactions for the following conversion:

Copper oxide to copper.


Ammonia reacts with a monobasic acid (A) to form a salt (B). B decompose at about 250oC to give two products (C) and (D), leaving no residue. The oxide (D) is a liquid at room temperature and neutral to moist litmus, while gas (C) is a neutral  oxide. Identify A, B, C, D. Write the balanced equation involved the above process.

Industrially, ammonia is obtained by direct combination of nitrogen and hydrogen.
(i) Write balanced equation for the direct combination of nitrogen and hydrogen.
(ii) Which of the metals - iron, platinum, copper - catalyse this direct combination?
(iii) Is the formation of ammonia promoted by high pressure or low pressure?


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