Ammonia can be obtained by adding water to:
- AAmmonium chloride
- BAmmonium nitrite
- ✓Magnesium nitride
- DMagnesium nitrate
Answer: C.
View full solution →Question types
9.1 Ammonia question types
168 questions across 6 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.
168
Questions
6
Question groups
5
Question types
01
MCQ
8 Q→02[2 Mark Question Answer]
50 Q→03[3 Mark Question Answer]
19 Q→04[1 Mark Question Answer]
77 Q→05Fill in the blanks.
3 Q→06[5 Mark Question Answer]
11 Q→Sample Questions
9.1 Ammonia questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
In the Habers process for the manufacture of $NH_3$, iron is used as catalyst and molybedenum as promoter. The function of promoter is
- ATo Increase the rate of combination of gases
- BTo raise the activation energy of the reaction
- ✓To increase the activity of the catalyst
- DTo increase the yield of ammonia.
Answer: C.
View full solution →Liquid ammonia is used in refrigeration because of its
- AHigh dipole moment
- BBaricity
- CStability
- ✓High heat of vaporization
Answer: D.
View full solution →The other products obtained along with water where $NH_3$ is passed over heated CuO are
- A$Cu \left( NH _2\right)_2$ and $H _2$
- B$\left[ Cu \left( NH _3\right)_4\right]_2+\text { and } O _2$
- ✓Cu and $N _2$
- DNone of these
Answer: C.
View full solution →Ammonia is commercially prepared by
- ✓Haber's process
- BOstwald process
- CContact process
- DHead chamber process
Answer: A.
View full solution →Copy and complete the following table relating to important industrial process.
| Name of the process | Temperature | Catalyst | Equation for the catalyzed reaction |
| Habers Process |
State your observation for the following cases (i) Ammonia gas is burnt in an atomosphere of oxygen in the absence of a catalyst (ii) Glass rod dipped in ammonium hydroxide is brought near the mouth of the concentrated hydrochloric acid bottle
State what is observed when excess of ammonia is passed through an aqueous solution of lead nitrate?
Write the equations for the following reactions, which result in the formation of ammonia:
(i) A mixture of ammonium chloride and slaked lime is heated.
(ii) Aluminium nitride and water.
(i) A mixture of ammonium chloride and slaked lime is heated.
(ii) Aluminium nitride and water.
Which feature of the ammonia molecule leads to the formation of the ammonium ion when ammonia dissolves in water?
Write the equation for the reaction in the Haber process, that forms ammonia.
Is ammonia denser than air? Which property of ammonia is demonstrated by the Fountain experiment? Write the balanced equation for the reaction between ammonia and sulphuric acid.
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?
(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?
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?
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?
Write the equations for the action of heat on ammonium chloride and ammonium nitrate?
Give balanced chemical equations for of the following : Reaction of ammonia with sulphuric acid.
Give balanced chemical equations for the following : Reaction of ammonia with excess chlorine
Give balanced chemical equations for each of the following : Lab preparation of ammonia using an ammonium salt
Given one test can be used to detect the presence of the ion produced
Name the other ion formed when ammonia dissolves in water
Heating solution of ammonium chloride with sodium nitrite produces ______ (ammonia, nitrogen)
Heating ammonium chloride with sodium hydroxide produces ______ (ammonia, nitrogen)
Heating ammonium chloride with sodium hydroxide produces ______.(ammonia, nitrogen)
The diagram shows an experimental set-up for the laboratory prepration of a pungent smelling gas. The gas is alkaline in nature.
(i) Nature the gas collected in the jar.(ii) Write the balance equation for the above preparation.(iii) How is the gas being collected?(iv) Name the drying agent used.(v) How will you find that the jar is full of gas?
(i) Nature the gas collected in the jar.(ii) Write the balance equation for the above preparation.(iii) How is the gas being collected?(iv) Name the drying agent used.(v) How will you find that the jar is full of gas?
The diagram shows a simple arrangement of the fountain experiment:
(i) Name the two gases you have studied which can be used in this experiment(ii) What is the common properly demonstrated by this experiment
(i) Name the two gases you have studied which can be used in this experiment(ii) What is the common properly demonstrated by this experiment
The questions below are related to the manufacture of ammonia. (i) Name the process (ii) In what ratio must the reactants be taken (iii) Name the catalyst used (iv) Give the equation for the manufacture of ammonia (v) Ammonia can act as a reducing agent write a relevant equation for such a reaction.
Give one use each of four different compounds of ammonia.
How is an aqueous solution of ammonia prepared? Stage two advantages of method used.
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