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The Molecular Formula of Acetic Acid is - Science and Technology 2

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प्रश्न

The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4

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उत्तर

The molecular formula of acetic acid is CH3COOH.

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2014-2015 (March)

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संबंधित प्रश्न

When zinc powder is added to acetic acid ______________

(a) the mixture becomes warm
(b) a gas is evolved
(c) the colour of the mixture becomes yellow
(d) a solid settles at the bottom


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?


Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3 -C -CH3}\\
|\\
\ce{CH3}
\end{array}\]


Name the compound formed when acetic acid and ethanol react together.


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.


Which of the following observations is true about dilute solution of acetic acid?

(A) It smells like vinegar and turns red litmus blue

(B) It smells like onion and turns blue litmus red

(C) It smells like orange and turns red litmus blue

(D) It smells like vinegar and turns blue litmus red


Which of the following observations is true about dilute solution of acetic acid?

(A) It smells like vinegar and turns red litmus blue

(B) It smells like onion and turns blue litmus red

(C) It smells like orange and turns red litmus blue

(D) It smells like vinegar and turns blue litmus red


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


How is ethyne prepared in the laboratory?


What is vinegar and glacial acetic acid?


What is the main constituent of vinegar?


Fill in the blank with appropriate word/words.

Denatured alcohol is a mixture of _____ and _______


Write a balanced chemical equation for the following:

A mixture of sodalime and sodium acetate is heated.


Draw the structure formula of ethyne.


Draw the structural diagram of: 

Ethanoic acid


Raina while doing certain reactions observed that heating of substance ‘X’ with a vinegar-like smell with a substance ‘Y’ (which is used as an industrial solvent.) in the presence of conc. Sulphuric acid in a water bath gives a sweet-smelling liquid ‘Z’ having molecular formula C4H8O2. When heated with caustic soda (NaOH), ‘Z’ gives back the sodium salt and the compound ‘Y’.

Identify ‘X’, ‘Y’, and ‘Z’. Illustrate the changes with the help of suitable chemical equations.


Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.


Give the balanced chemical equation of the following reaction:

Oxidation of ethanol by acidified potassium dichromate.


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.


Name the oxidising agent used in the conversion of ethanol to ethanoic acid.


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