Reactions with Acids

Q.

Write the balanced equation for the following chemical reactions.

(a) Hydrogen + Chlorine → Hydrogen chloride

Q.

Write a balanced chemical equation with state symbols for the following reaction:

(ii) Sodium hydroxide solution in water reacts with a hydrochloric acid solution to produce Sodium chloride solution and water.

Q.

Balance the following chemical reaction:

${\mathrm{MnO}}_2+\mathrm{HCl}\to {\mathrm{MnCl}}_2+{\mathrm{H}}_2\mathrm{O}+{\mathrm{Cl}}_2$

Q.

Write a balanced chemical equation for each of the following :

1. Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.

2. Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas.

3. Methyl alcohol burns in air to form carbon dioxide and water.

4. Liquid hydrogen peroxide decomposes to give water and oxygen gas.

5. Aluminium hydroxide reacts with sulphuric acid to give ammonium sulphate and water.

6. Aluminium sulphate solution reacts with sodium hydroxide to form a precipitate of aluminium hydroxide.

Q.

Write a balanced chemical equation when

Phosphorus burns with oxygen to form phophorus pentoxide

Q. Write the balanced equation for the reaction between Barium cholride and Sulphuric acid.

Q. Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.

Q. Write a balanced equation for the laboratory preparation of ammonia from ammonium chloride.

Q. Write balanced equation for the preparation of ammonia from ammonium chloride.

Q. Give the balanced equation for the following conversions:
(i) Ammonia to nitrogen using an acidic gas.
(ii) Ammonia to nitrogen using copper oxide.
(iii) Ammonia to nitrogen using oxygen.
(iv) Ammonia to nitrogen trichloride.
(v) Ammonia to ammonium sulphate.
(vi) Ammonia solution to an amphoteric hydroxide.
(vii) Ammonia to ammonium carbonate.
(viii) Copper oxide to copper.

Q.

Identify the anion present in the compound X on heating with copper turning and concentrated sulphuric acid liberates a reddish brown gas?

Q. Write balanced equations for the following reactions:
(b) Copper sulphate from copper and concentrated sulphuric acid.

Q.

CO2+H20 gives C6H12O6+O2+H2O

How to balance this equation as per short cut method taught in byju's class session

Q. Calcium oxide (CaO) is used as drying agent in the preparation of Ammonia in laboratory. Can concentrated H₂SO₄ be used as drying agent instead of CaO? Justify your answer.

Q. Balance the following equation
C5H11NH2+O2 ➡️CO2+H2O+NO2
​​​can you please send me the solution in a step-wise manner...
Thanking u..

Q.

Choose the correct words or phrases from the brackets to complete the following sentences:

Ammonium chloride is a soluble salt prepared by _____. (precipitation/neutralization)

Q.

Write balanced equations for the following reactions:

Manganese(IV) oxide and concentrated hydrochloric acid

1. 

2. 

3. 

4. 

5. 

Q.

Ammonia reacts with excess of chlorine to form a yellow coloured highly explosive liquid. Name this liquid.

1. NO

2. N₂

3. NCl­₃

4. HNO₃

Q. Write a balanced equation for the production of nitrogen dioxide using copper.

Q.

A colourless gas X reacts with sulphuric acid to form ammonium sulphate. What is X?

1. HCl

2. Cl₂

3. NO₂

4. NH₃

Q. Industrially, ammonia is obtained by direct combination of nitrogen and hydrogen.
(i) Write the balanced equation for the direct combination of nitrogen with 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?

Q. State your observation for the following cases:
(i) Ammonia gas is burnt in an atmosphere 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.

Q.

balance this equation

Cu(HCO₃)₂ + HCl => CuCl₂ + H₂O + CO₂

Q.

Industrially, NH₃ is obtained by direct combination between nitrogen and hydrogen.
(i) Write correctly balanced equation for the direct combination of nitrogen with hydrogen.
(ii) Which metal catalyses the reaction?
(iii) Is the formation of NH₃ promoted by the use of high pressure or low pressure?
(iv) Is ammonia more dense or less dense than air?
(v) What property of NH₃ is demonstrated by fountain experiment?
(vi) Write correctly balanced equation for the reaction between NH₃ and sulphuric acid.

Q.

Give balanced equations for the synthesis of nitric oxide from ${\mathrm{NH}}_3\text{and}{\mathrm{O}}_2$ .

Q. Write the balanced chemical equation for a reaction in which ammonia is oxidised by the following.
(i) A metal oxide
(ii) A gas which is not oxygen.

Q. Give balanced equations to prove that ammonia
(a) is alkaline in nature.
(b) has the element hydrogen in it.
(c) has the element nitrogen in it.

Q. Brine is an aqueous solution of:

1. Sodium chloride
2. Sodium bicarbonate
3. Sodium hydroxide
4. Sodium carbonate

Q.

What happens when ammonia is mixed with hydrochloric acid?

1. A white precipitate formed which is soluble in excess of ammonia.

2. A white precipitate formed which is insoluble in excess of ammonia.

3. A brown precipitate formed which is soluble in excess of ammonia.

4. A brown precipitate formed which is insoluble in excess of ammonia.

Q. Identify the products of the following reactions.

1. ${\mathrm{NH}}_4\mathrm{Cl}+H_{2}O$
2. ${\mathrm{NH}}_4{\mathrm{NO}}_3+H_{2}O$
3. ${\left({\mathrm{NH}}_4\right)}_2{\mathrm{SO}}_4+2H_{2}O$