Reducing Properties of Ammonia

Q. The compound that does not produce nitrogen gas by the thermal decomposition is

1. 
   $(N{H}_4{)}_{2}C{r}_2{O}_7$
2. 
   $N{H}_{4}N{O}_2$
3. 
   $(N{H}_4{)}_{2}S{O}_4$
4. 
   $Ba(N_3{)}_2$

Q.

With the reference to manufacture of ammonia.

(i) Name the process.

(ii) In what ratio must the reactants be taken?

(iii) Name the catalyst used.

(iv) Is ammonia a reducing or oxydising agent?

(v) Give the equation for the manufacture of ammonia.

Q.

How do you write a balanced equation for the combination of magnesium and oxygen to form Magnesium oxide, $\mathrm{MgO}$?

Q. Identify the reducing agent in the following chemical equation.
$4N{H}_3+5O_2\to 4NO+6H_{2}O$

[1 mark]

1. $O_2$
2. $H_{2}O$
3. $\mathrm{NO}$
4. ${\mathrm{NH}}_3$

Q. State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equation for the reaction.

Q. Give three reactions to show reducing property of ammonia.

Q.

Write balanced chemical equations for each of the following:
(i) When excess of ammonia is treated with chlorine.
(ii) An equation to illustrate the reducing nature of ammonia.

Q.

Why Ammonia cannot be obtained in laboratory from Ammonium nitrate and Sodium hydroxide?

Q.

Copy and complete the following equations.

(a) $AIN+H_{2}O\to$ (b) $2N{H}_3+3PbO\to$

(c) $N{H}_3+3C{I}_2\to$ (d) $N{H}_3+C{O}_2\to$

(i) Which property of ammonia is illustrated by equation (c) ?

(ii) What important fertiliser is prepared from equation (d) ? State the conditions.

Q.

Calcium Cyanamide - CaNCN, which is produced by the Nitrogen fixation reaction of heating $Ca{C}_2$ and $N_2$ is black in colour.

1. True
2. False

Q. (a) Name the substance used for drying ammonia.
(b) Write an equation to illustrate the reducing nature of ammonia.
(c) With reference to Haber's process for the preparation of ammonia, write the equation and the conditions required.

Q.

Which compound does not give ammonia gas on reaction with water ?

1. ${\mathrm{Mg}}_3{\mathrm{N}}_2$

2. $\mathrm{AlN}$

3. ${\mathrm{CaCN}}_2$

4. $\mathrm{Ca}{\left(\mathrm{CN}\right)}_2$

Q.

What happens when chlorine gas reacts with excess ammonia?

1. $N{H}_{4}Cl$ and $N_2$ are formed.

2. $NC{l}_3$ and $3HCl$ are formed.

3. $N{H}_{4}Cl$ and $3HCl$ are formed.

4. $N_2$ and $3HCl$ are formed.

Q.

What is the role of a reducing agent in a reaction?

Q.

Name the process used to manufacture Ammonia gas commercially.

Q.

Write the balanced chemical equation for monochloroethane is hydrolysed with aqueous KOH

Q.

Write the balanced chemical equation for the following reaction:

Reaction of Ammonia with excess of Chlorine.

Q.

Write balanced chemical equation for the following:
Chlorine reacts with excess of ammonia.

Q. Ammonia is a strong agent.

1. oxidising
2. reducing
3. acidic

Q.

State the conditions required for the following reaction to take place:

Any two conditions for the conversion of Sulphur dioxide to Sulphur trioxide.

Q.

Complete the following balanced chemical equation for reduction of chlorine when ammonia is in excess.​

${8NH}_3$ + ${3Cl}_2$ $\to$ X + 6Y​

​

1. X: $N_2$ ; Y: ${NH}_{4}Cl$​
2. X: ${NH}_{4}Cl$​ ; Y: ${NH}_3$
3. X: $HCl$ ; Y: ${NH}_{4}Cl$​
4. X: ${NH}_3$ ; Y: ${NH}_{4}OH$​

Q.

Write the balanced chemical equation for the following reaction:

An equation to illustrate the reducing nature of Ammonia.

Q. Write chemical equations for the following equation and balance them.
Nitrogen + Oxygen $\to$ Nitrogen monoxide

Q. Thomas slag is:

1. $C{a}_3(P{O}_4{)}_2\cdot 2H_{2}O$
2. $C{a}_3(P{O}_4{)}_2\cdot CaSi{O}_3$
3. $MgSi{O}_3$
4. $CaSi{O}_3$

Q.

What is the use of ammonia?

Q.

Write an equation to illustrate the reducing nature of ammonia.

1. 

2. 

3. 

4. 

Q. Assertion :$H_2$ and $C{l}_2$ can also react in dark to give $HCl$. Reason: Formation of $HCl$ in presence of sunlight is an explosive reaction.

1. If both assertion and reason are CORRECT and the reason is the CORRECT explanation of the assertion.
2. If both assertion and reason are CORRECT, but reason is NOT THE CORRECT explanation of the assertion.
3. If assertion is CORRECT, but reason is INCORRECT.
4. If assertion is INCORRECT, but reason is CORRECT.

Q. Which property of ammonia is illustrated by the reaction (3-ii) in the above question?

Q. Ammonia is oxidised when reacting with a metal oxide.

1. False
2. True

Q. When calomel reacts with ${NH}_{4}OH$ we get:

1. $Hg\left({NH}_2\right)Cl+Hg$
2. $\left({NH}_2\right){Hg}_{2}Cl$
3. ${Hg}_{2}O$
4. $HgO$