Manufacture of Acids and Bases

Q.

Identify X in the following reaction
X + Water $\to$ Base.

1. Metal oxide

2. Salt

3. None of these

4. Non metal oxide

Q.

Identify X and Y in the reaction given below.

$\text{Zinc(s) + Hydrochloric acid(aq)}\to \text{X + Y}$

1. X- Zinc hydroxide, Y- Hydrochloric acid
2. X- Zinc chloride, Y- Hydrogen
3. X- Zinc chloride, Y- Hydrochloric acid
4. X- Zinc hydroxide, Y- Chlorine

Q.

Identify Y in the reaction given below.

$\text{Zinc + Hydrochloric acid}\to \text{Zinc chloride + Y}$

1. Y:- $\text{Hydrochloric acid}$
2. Y:- $\text{Hydrogen}$
3. Y:- $\text{Oxygen}$
4. Y:- $\text{Nitrogen}$

Q. Metals react with oxygen to form
(a) acidic oxides.
(b) basic oxides.
(c) either acidic or basic oxide depending on the metal.
(d) there is no reaction

Q.

Identify X and Y in the reaction given below.

$\text{Zn(s) + 2HCl(aq)}\to \text{X + Y}$

1. X:- ${\text{Zn(OH)}}_2$, Y:- $\text{HCl}$

2. X:- ${\text{ZnCl}}_2$, Y:- ${\text{H}}_2$

3. X:- ${\text{ZnCl}}_2$, Y:- $\text{HCl}$

4. X:- ${\text{Zn(OH)}}_2$, Y:- ${\text{Cl}}_2$

Q.

Write reactions for a metal undergoing:
(i) Reaction with Oxygen
(ii) Reaction with Water
(iii) Reaction with Acids
(iv) Displacement Reactions
Explain the concept behind the displacement reactions.​ [5 MARKS]

Q.

Identify Y in the reaction given below.

$\text{Zinc + Hydrochloric acid}\to \text{Zinc chloride + Y}$

1. Y:- $\text{Hydrochloric acid}$
2. Y:- $\text{Hydrogen}$
3. Y:- $\text{Oxygen}$
4. Y:- $\text{Nitrogen}$

Q.

Identify X and Y in the reaction given below.

$\text{Zinc(s) + Hydrochloric acid(aq)}\to \text{X + Y}$

1. X- Zinc hydroxide, Y- Hydrochloric acid
2. X- Zinc chloride, Y- Hydrogen
3. X- Zinc chloride, Y- Hydrochloric acid
4. X- Zinc hydroxide, Y- Chlorine

Q.

Identify Y in the reaction given below.

$\text{Zinc + Hydrochloric acid}\to \text{Zinc chloride + Y}$

1. Y:- $\text{Hydrochloric acid}$
2. Y:- $\text{Hydrogen}$
3. Y:- $\text{Oxygen}$
4. Y:- $\text{Nitrogen}$