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Question
Draw the structural formula of a compound with two carbon atoms in the following case:
An alcohol containing two carbon atoms.
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Solution
\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{.....}\\
|\phantom{....}|\phantom{.....}\\
\ce{H - C - C - O - H}\\
|\phantom{....}|\phantom{.....}\\
\ce{\underset{Ethanol}{H\phantom{...}H}}\phantom{.....}
\end{array}\]
RELATED QUESTIONS
While studying saponification reaction, a student measures the temperature of the reaction mixture and also finds its nature using blue/red litmus paper. On the basis of his observations the correct conclusion would be
(A) the reaction is exothermic and the reaction mixture is acidic.
(B) the reaction is endothermic and the reaction mixture is acidic.
(C) the reaction is endothermic and the reaction mixture is basic.
(D) the reaction is exothermic and the reaction mixture is basic.
When you add about 2 ml of acetic acid to a test tube containing an equal amount of distilled water and leave the test tube to settle after shaking its contents, what will you observe in the test tube after about 5 minutes?
(A) A white precipitate settling at its bottom
(B) A clear colourless solution
(C) A layer of water over the layer of acetic acid
(D) A layer of acetic acid over the layer of water
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If you are asked to report your observations about the following two properties of acetic acid, what would you report?
(i) Odour
(ii) Effect on litmus
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
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(D) white fumes with smell of vinegar
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
Give the balanced chemical equation of the following reaction:
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A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
Give the balanced chemical equation of the following reaction:
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Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
