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9 Questions

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alcohol

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Questions and Answers

source of alcohol (2 method)

temp, conc.,catalyst

hydration of alkene alkene + steam --> alcohol catalyst: conc,H3PO4 temp: 300*C pressure : 60atm

fermentation glucose --> ethanol + carbon dioxide C6H12O6 --> @c2H5OH + 2CO2

requirement : 37*C (body temperature) yeast anaerobic (lack of O2)

physical properties of alcohol

flammable volatile/low mp n bp cannot conduct electricity more carbon lower solubility colourless n odourless

chemical properties

combustion

complete n incomplete oxidation of alcohol rmb to oxidising agent ?? dehydration of alcohol
alcohol --> alkane + water ** Concentrated sulfuric acid ** porcelain chips

advantage n disadvantage of catalytic addition to steam n ethene

<ul> <li></li> </ul> <ul> <li> no greenhouse gas produce </li> <li> fast n efficient </li> <li></li> <li> high temperature n pressure(more costly) </li> <li> non renewable resources ( ethene is a fossil fuel) </li> </ul> Signup and view all the answers

production of ethanol ??

hydration of ethene Signup and view all the answers

advantage n disadvantage of ethanol making through fermentation

<ul> <li></li> </ul> <ul> <li> renewable resource (glucose) </li> <li> low temperature require (less costly) </li> <li></li> <li> greenhouse gas is produced </li> <li> slow n inefficient (batch process) </li> </ul> Signup and view all the answers

uses of ethanol

solvent n fuel Signup and view all the answers

equation for dehydration of alcohol

alcohol --> alkene + water Signup and view all the answers

redox of alcohol

alcohol + oxidising agent --> carboxylic acid + water Signup and view all the answers