Advertisements
Advertisements
Question
Give the name and structural formula of one homologue of HCOOH.
Advertisements
Solution
Ethanoic acid (CH3COOH) is the name of the compound which is a homologue of HCOOH (methanoic acid).
The structural formula is:

APPEARS IN
RELATED QUESTIONS
List two uses of esters.
A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas.
Complete the following chemical equations :CH3COOH + Na2CO3 →
Fill in the blanks from the choices given within brackets:
The basicity of acetic acid is-------- (3, 1, 4).
Write the formulae of ethanoic acid.
Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas?
Describe one reaction of a carboxylic acid.
What happens when ethanoic acid reacts with sodium hydroxide? Write equation of the reaction involved.
Consider the following organic compounds:
HCHO, C2H5OH, C2H6, CH3COOH, C2H5CI
Choose two compounds which can react in the presence of conc. H2SO4 to form an ester. Give the name and formula of the ester formed.
An organic acid X is a liquid, which often freezes during winter time in cold countries, having the molecular formula C2H4O2. On warming it with methanol in the presence of a few drops of concentrated sulphuric acid, a compound Y with a sweet smell is formed.
(a) Identify X and Y. Also write their formulae showing the functional group present in them.
(b) Write a chemical equation for the reaction involved.
What do you notice when acetic acid reacts with alcohol?
On adding NaHCO3 to acetic acid, a gas is evolved which turns lime water milky due to the formation of:
(1) Calcium bicarbonate
(2) Calcium hydroxide
(3) Calcium carbonate
(4) Calcium acetate
Write a fully balanced equation for the folowing case:
Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.
Ester is a sweet-smelling compound.
Ethanoic acid turns ______ litmus to ______
Which of the following represents saponification reaction?
A spatula full of sodium carbonate is taken in a test tube and 2 mL of dilute ethanoic acid is added to it.
Write a chemical equation for the reaction.
Name the oxidising agent used in the conversion of ethanol to ethanoic acid.
Observe the diagram given below and answer the questions:

- Name the reactants in this reaction.
- Which gas comes out as effervescence in the bigger test tube?
- What is the colour change in the lime water?
- In the above experiment instead of sodium carbonate which chemical can be used to get same products?
- Write the use of acetic acid.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
