Haber Bosch Process

Q. Reaction of propanamide with ethanolic sodium hydroxide and bromine will give

1. Aniline
2. Propylamine
3. Ethylamine
4. Methylamine

Q.

Nitric acid is manufactured by Ostwald process.

1. Give the source of ammonia used in the manufacture.
2. What is the ratio of ammonia and air are taken in this process.
3. Name the catalyst used in the process.
4. Name the oxidising agent used in this process.

Q.

Why ${\mathrm{KMnO}}_4$ is not used as a primary standard?

Q.

The number of ionizable hydrogens present in the product obtained from a reaction of phosphorus trichloride and phosphonic acid is

1. $3$

2. $1$

3. $0$

4. $2$

Q.

Give the chemical formula of the solution of borax in water.

Q.

Some word/words are missing in the following statement. You are required to rewrite the statement in the correct form using the appropriate word/words:
Magnesium nitride reacts with water to liberate ammonia.

Q. Nitrogen gas is obtained by thermal decomposition of

1. $Ba(N_3{)}_2$
2. $NaN{O}_2$
3. $NaN{O}_3$
4. $Ba(N{O}_3{)}_2$

Q.

In the test of Nitrogen the Prussian blue color formed is of:

Q.

In the Borax Bead Test Which Of The Following Compounds Is Formed?

1. Triborate

2. Metaborate

3. Orthoborate

4. Tetraborate

Q.

How does a mixture of aluminum powder and caustic soda help in clearing clogged drain pipes? Write a balanced chemical reaction to explain how this works.

Q.

In the fountain experiment which of the following gas is used?

1. Ammonia gas and Hydrogen Gas.

2. Ammonia gas and chlorine gas.

3. Ammonia and Hydrogen chloride gas.

4. Ammonium chloride and hydrogen chloride gas.

Q. Match the following:

Column -I	Column-II
(A) Pure nitrogen	(I) Chlorine
(B) Haber's process	(II) Sulphuric acid
(C) Contact process	(III) Ammonia
(D) Deacon's process	(IV) Sodium azide or Barium azide

1. A – (III), B – (IV), C – (II), D – (I)
2. A – (IV), B – (I), C – (II), D – (III)
3. A – (I), B – (IV), C – (I), D – (II)
4. A – (IV), B – (III), C – (II), D – (I)

Q. AMINES: Why in case of alkyl amines reaction with NaNO2 HCl gives - OH instead of NH2 but in case of aryl amines we get N2+Cl-?

Q.

Why is the reaction between Ammonia and Oxygen Exothermic?

Q.

The characteristic odor of garlic is due to ______.

Q.

On a large scale, ammonia is manufactured by:

1. Ostwald's process

2. Contact process

3. Haber's process

4. Dow's process

Q.

By giving example define the term promoter.

Q. Which of the following methods of preparation of amines will give same number of carbon atoms in the chain of amines as in the reactant? (i) Reaction of nitrite with LiAlH4. (ii) Reaction of amide with LiAlH4 followed by treatment with water. (iii) Heating alkylhalide with potassium salt of phthalimide followed by hydrolysis. (iv) Treatment of amide with bromine in aqueous solution of sodium hydroxide.

Q.

Write the equation for the following reaction: Aluminium nitride and water.

Q.

What is the action of heat on ${\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$?

Q.

How is ammonia manufactures industrially?

Q. On strong heating, Boric acid gives

1. 
2. 
3. 
4. 

Q.

Why shouldnt alkalies like NaOH and KOH be left exposed to air?

Q.

Which metallic nitrate gives only one gas on heating?

Q.

We can obtain ethylamine by Hoffmann bromamide reaction. The amide used in this reaction is:

1. Acetamide

2. Methanamide

3. Butanamide

4. Propanamide

Q. Which catalyst is used in Haber process for manufacturing of $N{H}_3$?

1. $Pt$
2. $Fe+Mo$
3. $CuO$
4. $A{l}_2{O}_3$

Q.

The elements or compounds that are formed as a result of a chemical reaction are called:

1. Reactants

2. Product

3. Ions

4. Radicles

Q. Which gives more than one amides on treatment with $N{H}_{2}OH$ followed by $PC{l}_5$?

1. 
2. $HCHO$
3. 
4. 

Q. $Xe{F}_6$ on complete hydrolysis gives $P+HF$.
Choose the correct statement.

1. $P$ is a colorless volatile liquid and has a pyramidal shape
2. $P$ is a colorless explosive solid and has a pyramidal shape
3. $P$ is a colorless volatile liquid and has a square pyramidal shape
4. $P$ is a colorless explosive solid and has a square pyramidal shape

Q.

Solid ammonium dichromate (relative molecular mass 252) decomposes as under:

${\left({\mathrm{NH}}_4\right)}_2{\mathrm{Cr}}_2{\mathrm{O}}_7\to {\mathrm{N}}_2+{\mathrm{Cr}}_2{\mathrm{O}}_3+4{\mathrm{H}}_2\mathrm{O}$

(I) If 63 g of ammonium dichromate decomposes, what will be the loss of the mass?