Advertisements
Advertisements
Question
Give the common names and IUPAC names of the following compounds of HCOOH.
Advertisements
Solution
Common name and IUPAC name of HCOOH are formic acid and methanoic acid respectively.
APPEARS IN
RELATED QUESTIONS
The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4
Complete the following chemical equations: CH3COOH+NaHCO3→
Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid
What is the common name of ethanoic acid?
Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH
Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
How would you distinguish experimentally between an alcohol and carboxylic acid on the basis of a chemical property?
What happens when ethanoic acid reacts with sodium hydroxide? Write equation of the reaction involved.
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.
Name the product formed and give an appropriate chemical equation for the following:
Ethanol oxidised by acidified potassium dichromate.
The next higher homologue of ethanoic acid is ______.
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
If you take a pinch of sodium hydrogen carbonate powder in a test-tube and add drop-by-drop acetic acid to it, what would you observe immediately? List any two main observations.
A student puts a drop of acetic acid first on a blue litmus paper and then on a red litmus paper. He would observe that
(A) the red litmus paper turns colourless and there is no change in the blue litmus paper.
(B) the red litmus paper turns blue and the blue litmus paper turns red.
(C) there is no change in the red litmus paper and the blue litmus paper turns red.
(D) there is no change in the blue litmus paper and the red litmus paper turns blue.
On adding 2 mL acetic acid to 2 mL of water in a test tube, it was observed that
(A) a clear and transparent solution is formed
(B) a white precipitate is formed almost immediately
(C) two separate layers were formed
(D) a colourless and odourless gas is evolved
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
Vinegar is a solution of ______.
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 reaction.
Oxidation of ethanol by acidified potassium dichromate.
