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प्रश्न
The compound in its pure form turns into an ice like solid on cooling.
विकल्प
Ethene
Ethanoic acid
Ethanol
Methanal
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उत्तर
Ethanoic acid
Explanation:
Melting point of ethanoic acid is 289.5 K, or 16°C. It so freezes below this temperature and is also known as glacial acetic acid.
संबंधित प्रश्न
Name an organic compound which is called ‘wood spirit’.
Name an organic compound which is Made from water gas ?
Name the alkyl radical and the functional group of the following organic compound:
CH3OH
Write the equation for the laboratory preparation of Ethyne (acetylene) from calcium carbide.
Conversion of ethene to ethane is an example of ______.
Which compound should be heated with soda lime to obtain ethane gas in the laboratory?
Compound A is bubbled through bromine dissolved in carbon tetrachloride, and the product is CH2Br – CH2Br.
\[\ce{A ->[Br2/CCl4] CH2Br - CH2Br}\]
- Draw the structural formula of A.
- What type of reaction has A undergone?
- What is your observation?
- Name (not formula) the compound formed when steam reacts with A in the presence of phosphoric acid.
- What is the procedure for converting the product of (iv) back to A?
Write a balanced chemical equation for the following:
Heating of ethanol at 170oC in the presence of conc. Sulphuric acid
Name the compound prepared by the following reaction:
\[\ce{CO + 2H2 (Zinc oxide catalyst) ->}\]
Compound X bubbled through bromine dissolved in carbon tetrachloride (CCl4):
\[\begin{array}{cc}
\ce{X ->[Br2/CCl4] CH2Br}\\
\phantom{......}|\\
\phantom{...........}\ce{CH2Br}\\
\end{array}\]
- Draw the structure of X.
- State your observation during the reaction.
