Reaction of Ethanoic Acid with Carbonates and Bicarbonates

Q. Identify the products of the reaction given below.

${\mathrm{CH}}_3\mathrm{COOH}+{\mathrm{Na}}_2{\mathrm{CO}}_3\to$

1. ${\mathrm{CH}}_3\mathrm{COONa},H_{2}O$
2. $\mathrm{NaOH},C_2{H}_5\mathrm{OH},{\mathrm{CO}}_2,H_{2}O$
3. $\mathrm{NaOH},C_2{H}_5\mathrm{OH},O_2,H_{2}O$
4. ${\mathrm{CH}}_3\mathrm{COONa},{\mathrm{CO}}_2,H_{2}O$

Q. The preparation of lead sulphate from lead carbonate is a two-step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate.)
(i) What is the first step that is required to prepare lead sulphate from lead carbonate?
(ii) Write the equation for the reaction that will take place when this first step is carried out.
(iii) Why is the direct addition of dilute sulphuric acid to lead carbonate an impractical method of preparing lead sulphate?

Q. 2HCl + CaCO3 ---> CaCl2 + CO2 + H2O
In the above reaction CO₂ and H₂O are formed along with calcium chloride.
Now my question is why CO₂ and H₂O dont react to form H₂CO₃ ??
Please explain in detail....!!

Q.

Question 47
A salt X is formed and gas is evolved when ethanoic acid reacts with sodium hydrogen carbonate. Name the salt X and the gas evolved. Describe an activity and draw the diagram of the apparatus to prove that the evolved gas is one which you have named. Also, write chemical equation of the reaction involved.

Q.

Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.

Q.

Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
$C{H}_{3}COOH,C{H}_{3}C{H}_{2}OH$

Q.

How will you convert ethanoic acid to methane? Give chemical equations for the reactions involved.

Q.

Name the functional group present in an organic compound which gives brisk effervescence with $NaHC{O}_3$.

Q.

Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.

Q.

Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas ?

Q.

Explain some chemical properties of carbon and its compound.

Q.

(a) How does ethanoic acid react with sodium hydrogen carbonate? Give the equation of the reaction which takes place.
(b) Why are carbon and its compounds used as fuels for most applications?
(c) Which of the two is better for washing clothes when the water is hard? soap or detergent? Give the reason for your answer.

Q.

The substance which can produce brisk effervescence with baking soda solution is :

(a) ethanol (b) vegetable oil (c) vinegar (d) soap solution

Q.

What happens when sodium salt of ethanoic acid is heated with soda lime?

1. H₂ gas is released

2. CO₂ gas is released

3. CO gas is released

4. CH₄ gas is released

Q.

Describe a test for carboxylic acids.

Q.

Question 10.
Sodium hydrogen carbonate, when added to acetic acid, evolves a gas. Which of the following statements are true about the gas evolved?
(i) It turns lime water milky
(ii) It extinguishes a burning splinter
(iii) It dissolves in a solution of sodium hydroxide
(iv) It has a pungent odour

(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii), (iii) and (iv)
(d) (i) and (iv)

Q. What is meant by carbonic acid

Q.

Acetic acid reacts with a sodium compound to release a gas which turns lime water milky. What might be the sodium compound?

1. Sodium acetate

2. Sodium hydroxide

3. Sodium carbonate

4. Sodium bicarbonate

Q. How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?​

Q. Select the incorrect statement among the following.

1. The dilute solution of acetic acid is also called vinegar.
2. Acetic acid is used as a coagulant for latex.
3. Acetic acid does not react with bases.
4. Glacial acetic acid is a water free acetic acid.

Q.

An organic compound A is soluble in water. Its boiling point is higher than the corresponding alkane. It is used as a hypnotic. The mixture of Compound A and water is used as antifreeze in the cold countries. The compound A is:

1. Ethanol

2. Ethanoic acid

3. Ethane

4. Ethyl Ethanoate

Q.

(a) An organic compound X of molecular formula $C_2{H}_4{O}_2$ gives brisk effervescence with sodium hydrogen carbonate. give the name and formula of X.
(b) A mixture of ethyne (acetylene) and oxygen is burnt for welding. Can you tell why a mixture of ethyne and air is not used?
(c) Name a chemical reaction which is characteristic of unsaturated hydrocarbons (like alkenes and alkynes).

Q. Identify the products of the reaction given below.

${\mathrm{CH}}_3\mathrm{COOH}+{\mathrm{Na}}_2{\mathrm{CO}}_3\to$

1. $\mathrm{NaOH},C_2{H}_5\mathrm{OH},O_2,H_{2}O$
2. ${\mathrm{CH}}_3\mathrm{COONa},{\mathrm{CO}}_2,H_{2}O$
3. ${\mathrm{CH}}_3\mathrm{COONa},H_{2}O$
4. $\mathrm{NaOH},C_2{H}_5\mathrm{OH},{\mathrm{CO}}_2,H_{2}O$

Q.

Acetic acid is a typical acid. Write one equation in each case for its reaction with
(a) a metal, (b) a base/alkali,
(c) a carbonate, (d) a bicarbonate.

Q. Acetic acid is typical acid. Write one equation in each case for its reaction with
(a) a metal
(b) a base/alkali
(c) a carbonate
(d) a bicarbonate

[4 MARKS]

Q. Identify A, B, C, D and E respectively in the given chemical reactions.

1. $C{H}_{3}COOH,C{H}_{3}COONa,C{O}_2,C{H}_{3}COO{C}_2{H}_5,H_{2}O$
2. $C{H}_{3}COOH,C_2{H}_{5}OH,O_2,C{H}_{3}COONa,H_{2}O$
3. $C_2{H}_{5}OH,C{H}_{3}COOH,C{O}_2,C{H}_{3}COO{C}_2{H}_5,H_{2}O$
4. $C_2{H}_{5}OH,C{H}_{3}CHO,O_{2}C{H}_{3}COO{C}_2{H}_5,H_{2}O$

Q.

Look at Figure and answer the following questions (a) What change would you observe in the calcium hydroxide solution taken in tube B? (b) Write the reaction involved in test tubes A and B respectively. (c) If ethanol is given instead of ethanoic acid, would you expect the same change? (d) How can a solution of lime water be prepared in the laboratory?

Carbon dioxide gas Ethanoic acid Calcium hydroxide solution 

Q. If a few drops of a concentrated acid accidently spill over the hand of a student, what should be done?

1. Wash the hand with saline water
2. After washing with plenty of water apply solution of sodium hydroxide on the hand
3. Neutralise the acid with a strong alkali
4. Wash the hand immediately with plenty of water and apply a paste of sodium hydrogen carbonate

Q. The temperature of oxy-acetylene flame is ________.

1. ${200}^{\circ }C$
2. ${1600}^{\circ }C$
3. ${2000}^{\circ }C$
4. $>{2500}^{\circ }C$

Q.

What will be the products in the following reaction?

HCO_{​​​​3} + Al --