Distinguish between the following pair of compounds using a reagent as a chemical test: Ammonium sulphate crystals and sodium sulphate crystals.

Ammonium sulphate crystals can be distinguished by sodium sulphate crystals by calcium oxide. Ammonium sulphate on reaction with calcium oxide liberates ammonia gas that on reaction with hydrochloric acid gives ammonium chloride. But sodium sulphate does not react with calcium oxide.

Complete the following chemical equations : NH 3 + 3 Cl 2 Excess → ______ + 3 HCl

Chlorine reacts with ammonia in two ways depending upon the quantity of ammonia. Therefore, the following chemical reaction will take place when ammonia is treated with excess of chlorine to form nitrogen trichloride and hydrochloric acid- NH 3 + 3 Cl 2 Excess → NCl 3 + 3 HCl

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What are the advantages of ammonia as a refrigerant?

Important Questions on Study of Compounds - Ammonia

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The pair(s) of reagents that yield paramagnetic species is/are

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Describe the manufacture of ammonia by Haber’s process with favourable conditions.

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

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Science>Chemistry>Study of Compounds - Ammonia>Uses of Ammonia

The most stable Lewis acid-base adduct among the following is

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Ammonia is not produced in the reaction of:

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Mention the theory and conditions required to maximise the yield of ammonia for its synthesis by Haber’s process.

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Science>Chemistry>Study of Compounds - Ammonia>Uses of Ammonia

Distinguish between the following pair of compounds using a reagent as a chemical test:

Ammonium sulphate crystals and sodium sulphate crystals.

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How is Ammonia manufactured by Haber's Process?

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From the given reactions those produce ammonia are
(A)

{NH}_{2} {CONH}_{2} + 2 H_{2} O \to

(B)

2 {NH}_{4} Cl + Ca (OH)_{2} \to

(C)

4 Zn + 10 {HNO}_{3}

(dil.)

\to

(D)

S_{8} + 48 {HNO}_{3} \to

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Science>Chemistry>Study of Compounds - Ammonia>Uses of Ammonia

How does ammonia react with a solution of

{Cu}^{2 +}

ions?

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Science>Chemistry>Study of Compounds - Ammonia>Uses of Ammonia

Why is ammonia gas not collected over water?

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The ammonia

({N H}_{3})

released on quantitative reaction of

0.6 g

urea

({N H}_{2} C O N H_{2})

with sodium hydroxide

(N a O H)

can be neutralized by

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State why concentrated sulphuric acid is not used for drying ammonia gas.

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Copy and complete the following table which refers to the industrial method for the preparation of ammonia and sulphuric acid:

Name of the compound

Name of the process

Catalytic equation

(with the catalyst)

Ammonia

(i) _____

(ii)_____

Sulphuric acid

(iii) _____

(iv)_____

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H - P - H

bond angle in

{PH}_{3}

is less than

H - N - H

bond angle in

{NH}_{3}

. Give reason.

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Complete the following chemical equations :

${NH}_{3} + \underset{Excess}{3 {Cl}_{2}} \overset{}{\to}______+ 3 HCl$

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In the manufacture of ammonia by Haber's process. Write the flow chart and chemical equations with optimum conditions.

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The following table represents the elements and the atomic number. With reference to this, answer the following using only the alphabets given in the table.

Element	Atomic number
$P$	$13$
$Q$	$7$
$R$	$10$

Which element combines with hydrogen to form a basic gas?

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{NH}_{3} + NaOCl \to ?

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Write the balanced chemical equation to prepare ammonia gas in the laboratory by using an alkali.

What are the advantages of ammonia as a refrigerant?

Important Questions on Study of Compounds - Ammonia

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