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Question
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
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Solution
\[\ce{CaC2 + 2 H2O -> Ca(OH)2 + \underset{Ethyne}{C2H2}}\]
RELATED QUESTIONS
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that
(A) a colloid is formed in the test tube.
(B) the ethanoic acid dissolves readily in water.
(C) the solution becomes light orange.
(D) water floats over the surface of ethanoic acid.
In order to study saponification reaction, we first prepare 20% solution of sodium hydroxide. If we record the temperature of this solution just after adding sodium hydroxide flakes to water and also test its nature using litmus, it may be concluded that the process of making this solution is
(A) exothermic and the solution is alkaline
(B) endothermic and the solution is alkaline
(C) endothermic and the solution is acidic
(D) exothermic and the solution is acidic
The next higher homologue of ethanoic acid is ______.
Fill in the blank with appropriate word/words.
Vinegar is a solution of about ________per cent ________in water.
Draw the structural formula of a compound with two carbon atoms in the following case:
An alcohol containing two carbon atoms.
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.
- Identify X, Y and Z
- Write the structural formula of X and Y.
- What type of compound is P?
- Name the above reaction.
- If compounds X and Y both have 2 carbon atoms. Write the reaction.
With a labelled diagram describe in brief an activity to show the formation of ester.
Write the molecular formula of the given compound.
Ethanoic acid
Bubbles are seen in the test tube during the preparation of lime water.
