Advertisements
Advertisements
प्रश्न
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
विकल्प
HCOOH
C2H5COOH
CH3COOH
None of the above
Advertisements
उत्तर
The formula of ethanoic acid is CH3COOH.
APPEARS IN
संबंधित प्रश्न
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
Identify the term or substance based on the descriptions given below
Ice like crystals formed on cooling an organic acid sufficiently.
Write the formula of methanoic acid.
Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas?
What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?
What happens when ethanoic acid reacts with sodium hydroxide? Write equation of the reaction involved.
Esters are sweet-smelling substances and are used in making perfumes. Describe an activity for the preparation of an ester with the help of a well labelled diagram. Write an equation for the chemical reaction involved in the formation of the ester. Also write the names of all the substances involved in the process of esterification.
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?
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
- Which compound is most likely to be sweet-smelling?
- Which compound on treatment with conc. H2SO4 at 170°C forms an alkene?
- Which compound on repeated chlorination forms chloroform?
- Which compound is added to alcohol to denature it?
- Which compound is a constituent of vinegar?
- Which compound is used to sterilise wounds and syringes?
Name the product formed and give an appropriate chemical equation for the following:
Ethanol oxidised by acidified potassium dichromate.
Acetic acid is a typical acid. Write one equation in case of its reactions with a carbonate.
A student takes Na2CO3 powder in a test tube and pours some drops of acetic acid over it. He observes:
(A) no reaction in the test tube
(B) colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) white fumes with smell of vinegar
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
Write three physical properties of acetic acid.
What is the action of acetic acid with litmus paper?
Define glacial acetic acid?
Give a chemical reaction in which a catalyst is used.
Ethanoic acid turns ______ litmus to ______
Why is glacial acetic acid called so?
Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.
