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ICSE Class 10 Chemistry 2013 Paper

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Give balanced equations for the laboratory preparations of the following organic compounds :
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Question : 68 of 84
Marks: +1, -0
An unsaturated hydrocarbon from an alcohol.
Solution:  
C2H5OHAlcohol→   Conc.   H2SO4C2H4+H2O\underset{\text{Alcohol}}{\mathrm{C}_2\mathrm{H}_5\mathrm{OH}} \xrightarrow{\; \text{ Conc. } \; \mathrm{H}_2\mathrm{SO}_4} \mathrm{C}_2\mathrm{H}_4 + \mathrm{H}_2\mathrm{O}
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