This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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i) The chemical formula of ethanol is C_2H_5OH. ii) The correct option representing the fermentation of sugar for the production of ethanol is B. C_6H_12O_6 Yeast 2CH_3CH_2OH + 2CO_2 The equation shows glucose (C_6H_12O_6) being fermented by yeast to produce ethanol (CH_3CH_2OH or C_2H_5OH) and carbon dioxide (CO_2). The correct option is B. iii) The correct option representing the production of ethanol by hydration of ethene is D. C_2H_4 + H_2O conc. H_2SO_4, heat CH_3CH_2OH This reaction involves the addition of water to ethene (C_2H_4) in the presence of concentrated sulfuric acid and heat to form ethanol (CH_3CH_2OH or C_2H_5OH). The correct option is D. iv) Two plants (fruits) that can serve as raw materials for ethanol production are: • Grapes • Sugarcane v) Two uses of ethanol are: • As a solvent in many chemical processes and products. • As a fuel (biofuel) in internal combustion engines. vi) Ethanol is referred to as grain alcohol because it can be produced through the fermentation of sugars derived from grains such as corn, wheat, barley, or rye. Send me the next one 📸