Chemistry
From – Ethyne, ethanol, acetic acid, ethene, methane. Choose the one which relates to (i) to (iv).
(i) An unsaturated hydrocarbon used for welding purposes.
(ii) An organic compound whose functional group is carboxyl.
(iii) A hydrocarbon which on catalytic hydrogenation gives a saturated hydrocarbon.
(iv) An organic compound used as a thermometric liquid.
Related Questions
(i) Why is pure acetic acid known as glacial acetic acid?
(ii) Give a chemical equation for the reaction between ethyl alcohol and acetic acid.
Write balanced chemical equations for the following :
(i) Reaction between 1, 2 – dibromoethane and alcoholic potassium hydroxide.
(ii) Monochloro ethane is hydrolysed with aqueous KOH.
(iii) A mixture of sodalime and sodium acetate is heated.
(iv) Ethanol under high pressure and low temperature is treated with acidified potassium dichromate.
(v) Water is added to calcium carbide.
(vi) Ethanol reacts with sodium at room temperature.
State the observation : Bromine vapours are passed into a soln. of ethyne in carbon tetrachloride.
Rewrite with the missing word/s:
Ethyl alcohol is dehydrated by sulphuric acid at a temperature of about 170°C.