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प्रश्न
Draw the structural formula of a compound with two carbon atoms in the following case:
An alkane with a carbon to carbon single bond.
उत्तर
Ethane
\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\\
\end{array}\]
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संबंधित प्रश्न
Consider the following comments about saponification reactions:
I. Heat is evolved in these reactions.
II. For quick precipitation of soap, sodium chloride is added to the reaction mixtures.
III. Saponification reactions are a special kind of neutralisation reactions.
IV. Soaps are basic salts of long-chain fatty acids.
The correct comments are
(a) I, II and III
(b) II, III and IV
(c) I, II and IV
(d) Only I and IV
Acetic acid is a typical acid. Write one equation in case of its reactions with a bicarbonate.
A student is studying the properties of acetic acid in his school laboratory. List two physical and two chemical properties which he must observe and note in his record book.
A student puts a drop of acetic acid first on a blue litmus paper and then on a red litmus paper. He would observe that
(A) the red litmus paper turns colourless and there is no change in the blue litmus paper.
(B) the red litmus paper turns blue and the blue litmus paper turns red.
(C) there is no change in the red litmus paper and the blue litmus paper turns red.
(D) there is no change in the blue litmus paper and the red litmus paper turns blue.
How will you carry out the following conversions?
Ethene to acetic acid
Why is pure acetic acid also known as glacial acetic acid?
Convert ethane to acetic acid.
In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.
Observe the diagram given below and answer the questions:
- Name the reactants in this reaction.
- Which gas comes out as effervescence in the bigger test tube?
- What is the colour change in the lime water?
- In the above experiment instead of sodium carbonate which chemical can be used to get same products?
- Write the use of acetic acid.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
