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प्रश्न
Write the formulae of methanoic acid.
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उत्तर
The formula of methanoic acid is HCOOH.
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संबंधित प्रश्न
When ethanol reacts with ethanoic acid in the presence of conc. H2SO4, a substance with fruity smell is produced. Answer the following:-
(i) State the class of compounds to which the fruity smelling compounds belong. Write the chemical equation for the reaction and write the chemical name of the product formed.
(ii) State the role of conc. H2SO4 in the reaction.
List two uses of esters.
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
What is the common name of ethanoic acid?
How would you distinguish experimentally between an alcohol and carboxylic acid on the basis of a chemical property?
The substance which can produce brisk effervescence with baking soda solution is:
(a) ethanol
(b) vegetable oil
(c) vinegar
(d) soap solution(b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
In a soap micelle, the soap molecules are arranged radially with the hydrocarbon ends, i.e. hydrophobic, directed towards the centre; and, ionic ends, i.e. hydrophilic, directed outwards.
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.
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?
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.
Write the names of the first three members of the carboxylic acid series.
Name the first four members of alphatic carboxylic acid.
How Will You Carry Out the Following Conversions?
Ehane to acitic acid
Write balanced euation for the following :
Ethane is burnt in air.
The functional group present in acetic acid is ______.
Choose the correct alternative and rewrite the following:
Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
Ester is a sweet-smelling compound.
Which of these is not an organic acid?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
