Preparation Method of HCl

Q.

Write the balanced chemical equation when Hydrochloric acid reacts with Sodium Bicarbonate?

Q.

Write a balanced chemical equation for the following:
Action of concentrated Sulphuric acid on Sulphur.

Q.

For the preparation of hydrochloric acid in the laboratory: Why is direct absorption of hydrogen chloride gas in water not feasible?

Q.

To prepare hydrogen chloride from sodium chloride and concentrated sulphuric acid.

1. Concentrated

2. Dilute

Q.

What is the formulae of compound:

1) ferrous sulphate

2) sodium sulphate

3) magnesium hydrogen carbonate

4) cupric oxide

5) cuprous oxide

6) hydrogen peroxide

7) Sodium acetate

8) Lead Nitrate

9) sodium zincate

Q.

Write three equations to show that hydrochloric acid acts as an acid.

Q.

Why in laboratory acids are generally mixed with water to dilute them?

Q.

Give the reaction of heating metallic chloride with concentrated H₂SO₄

1. 

2. 

3. 

4. 

Q.

Why do we use blue color solution after washing white clothes?

Q.

Name the gas obtained when rock salt reacts with conc. sulphuric acid.

Q.

Name the drying agent used in the lab during the preparation of a gas, formed by the reaction of sodium chloride and sulphuric acid?

1. Concentrated sulphuric acid

2. Concentrated nitric acid

3. Ammonium chloride

4. Calcium oxide

Q.

• Write a balanced equation red Lead is warmed with concentrated Hydrochloric acid.

Q.

Which of the following anion is present in salt A when dil. HCl is added to salt A and heated, carbon dioxide is evolved.

1. SO₃^2-

2. S^2-

3. CO₃^2-

4. Cl^-

Q. Which of the following substance(s) will not perform neutralisation reaction with vinegar?​
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> (A) Nitric acid​
(B) Slaked lime​
(C) Hydrochloric acid​
(D) Ammonium hydroxide​

Q.

Name the drying agent used for purifying hydrogen chloride gas.

1. Conc. sulphuric acid

2. Conc. nitric acid

3. Conc.Sodium hydroxide

4. Conc.Hydrochloric acid

Q.

Which of the following is used as the drying agent in the purifying process of HCl gas ?

1. Concentrated Sulphuric Acid

2. Quick Lime

3. Dilute Sulphuric Acid

4. Phosphorus Pentoxide

Q. How many moles of lead(ii)chloride will be formed from a reaction between 6.5g of PbO and 3.2g of HCl?

Q. The gas produced by the action of conc. sulphuric acid on sodium chloride is :

1. $H_2$
2. $S{O}_2$
3. $C{l}_2$
4. HCl

Q.

Name the drying agent used in the lab during the preparation of a gas, formed by the reaction of sodium chloride and sulphuric acid?

1. Concentrated sulphuric acid

2. Concentrated nitric acid

3. Ammonium chloride

4. Calcium oxide

Q.

Choose the reaction which shows heating of metallic chloride with concentrated H₂SO_4.

1. 

2. 

3. 

4. 

Q.

If the rate with respect to ${\mathrm{O}}_2$, $\mathrm{NO}$ and ${\mathrm{NO}}_2$ are respectively $\frac{-∆\left[{\mathrm{O}}_2\right]}{∆\mathrm{t}}$, $\frac{-1}{2}\frac{∆\left[\mathrm{NO}\right]}{∆\mathrm{t}}$ and $\frac{+1}{2}\frac{∆\left[{\mathrm{NO}}_2\right]}{∆\mathrm{t}}$ then the corresponding chemical equation is $2\mathrm{NO}+{\mathrm{O}}_2\to 2{\mathrm{NO}}_2$.

1. True
2. False

Q.

name a metallic hydroxide which does not get precipitated by NH4OH in the presence of NH4CL

Q.

Name the drying agent used in the lab during the preparation of a gas, formed by the reaction of sodium chloride and sulphuric acid?

1. Dilute sulphuric acid

2. Ammonium chloride

3. Concentrated sulphuric acid

4. Nitric acid