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ICSE Class 10 Chemistry 2016 Paper

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Write a balanced chemical equation for each the following :
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Question : 44 of 85
Marks: +1, -0
Heating of Ethanol at 170∘C170^{\circ} \mathrm{C} in the presence of conc. Sulphuric acid.
Solution:  
  C2H5OH→170∘C   conc.   H2SO4  C2H4 Ethanol +H2O\; \mathrm{C}_2\mathrm{H}_5\mathrm{OH} \xrightarrow[170^{\circ}\mathrm{C}]{\;\text{ conc. }\;\mathrm{H}_2\mathrm{SO}_4} \; \underset{\text{ Ethanol }}{\mathrm{C}_2\mathrm{H}_4} + \mathrm{H}_2\mathrm{O}
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