TS EAMCET 5-Aug-2021 Shift 1 Question Paper

The correct matches of pair are as follows A-III, B-I, C-IV, D-II.
(A) Methanol (CH3OH), also called methyl alcohol, wood alcohol, or wood spirit is the simplest of a long series of organic compounds called alcohols, consisting of a methyl group (CH3) linked with a hydroxy group (OH). Methanol was formerly produced by the destructive distillation of wood.
(B) Lucas reagent is a solution of anhydrous zinc chloride in concentrated hydrochloric acid. This solution is used to classify alcohols of low molecular weight. The reaction is a substitution reaction in which the chloride replaces a hydroxyl group.
(C) Formula of rectified spirit is C2H5OH. Ethanol with 95% purity is called rectified spirit. It contains 95.57% ethyl alcohol and 4.43% water. In other words it can be said that rectified spirit is highly concentrated ethanol.
(D) Baeyer's reagent is a very cold dilute solution of alkaline potassium permanganate. It is a purple or light violet coloured solution. Baeyer's reagent is a strong oxidising reagent which is used to identify the presence of double or triple bonds in a hydrocarbon.