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प्रश्न
Give the common names and IUPAC names of the following compounds of HCOOH.
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उत्तर
Common name and IUPAC name of HCOOH are formic acid and methanoic acid respectively.
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संबंधित प्रश्न
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
Write three different chemical reactions showing the conversion of ethanoic acid to sodium ethanoate. Write balanced chemical equation in each case. Write the name of the reactants and the products other ethanoic acid and sodium ethanoate in each case.
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
How esters are prepared ?
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.
How does ethanoic acid react with sodium hydrogen carbonate? Give equation of the reaction which takes place.
Give any two uses of ethanoic acid.
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.
Write the IUPAC name of the following:
\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3 -C -CH3}\\
|\\
\ce{CH3}
\end{array}\]
What do you notice when acetic acid reacts with alkalies?
In an experiment to study the properties of acetic acid a student takes about 2 mL of acetic acid in a dry test tube. He adds about 2 mL of water to it and shakes the test tube well. He is likely to observe that:
(A) the acetic acid dissolves readily in water
(B) the solution becomes light orange
(C) water floats over the surface of acetic acid
(D) acetic acid floats over the surface of water
Which one of the following are the correct observations about acetic acid?
(A) It turns blue litmus red and smells like vinegar
(B) It turns blue litmus red and smells like burning sulphur
(C) It turns res litmus blue and smells like vinegar
(D) It turns red litmus blue and has a fruity smell
Name the following:
A toxic alcohol
Write a balanced equation for the following:
Write the equation for the preparation of ethylene from ethyl alcohol.
State how the following conversions can be carried out:
Ethyl chloride to Ethyl alcohol
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
Ethanoic acid is also known as which of these?
Reshu by mistake forgot to label the two test tubes containing Ethanol and Ethanoic acid. Suggest an experiment to identify the substances correctly? Illustrate the reactions with the help of chemical equations.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
