ICSE Class 10 Chemistry 2023 Solved Paper

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Give a balanced chemical equation for the following conversions with conditions:
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Question : 55
Total: 88
Ethene from ethanol
Solution:  
Ethene from ethanol : By dehydration of alcohol.
C2H5OH+H2SO4
C2H5HSO4+H2O
ethyl hydrogen sulphate

C2H5HSO4+H2SO4
170C
CH2=CH2+H2SO4
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