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प्रश्न
Write the molecular formula of the given compound.
Ethanoic acid
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उत्तर
Ethanoic acid- CH3COOH or C2H4O2
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संबंधित प्रश्न
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
Three organic compounds A, B and C have the following molecular formulae: C4H10O
Which compound contains a carboxyl group? Write its name and structural formula.
Describe a test for carboxylic acid.
The organic acid present in vinegar is ______.
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
A neutral organic compound is warmed with some ethanoic acid and a little of conc. H2SO4. Vapours having sweet smell (fruity smell) are evolved. What type of functional group is present in this organic compound?
What do you notice when acetic acid reacts with metals?
While studying saponification reactions, the following comments were noted down by the students :
(I) Soap is a salt of fatty acids.
(II) The reaction mixture is basic in nature.
(III) In this reaction heat is absorbed.
(IV) This reaction is not a neutralisation reaction.
Which of these are the correct comments ?
(A) I and III only
(B) I, II and III
(C) II, III and IV
(D) I and II only
What is vinegar and glacial acetic acid?
How will you carry out the following conversions?
Ethene to acetic acid
Write a balanced equation for the following:
Write the equation for the preparation of ethylene from ethyl alcohol.
The functional group present in acetic acid is ______.
Identify the term or substance based on the descriptions given below:
Ice like crystals formed on cooling an organic acid sufficiently.
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
Which of the following represents saponification reaction?
Shristi heated Ethanol with a compound A in presence of a few drops of concentrated sulphuric acid and observed a sweet smelling compound B is formed. When B is treated with sodium hydroxide it gives back Ethanol and a compound C.
- Identify A and C
- Give one use each of compounds A and B.
- Write the chemical reactions involved and name the reactions.
What happens when a small piece of sodium is dropped in ethanol? Write the equation for this 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.
