alkene and alcohols =physical properties and chemical properties and naming= edited

•State 5 physical properties of ethene

•Low melting and boiling point•Low density•Not soluble in water•Soluble in organic solvent•Cannot conduct electricity•Colourless gas at room conditions

•State 5 physical properties of ethanol

•Low melting and boiling point•Sharp smell•Miscible with water•Liquid at room temperature•Colourless liquid•Volatile liquid

Chemical reactions of alcohol

OHCOOOHHC 22252 323

Heat ethanol in air

Observation: burns with blue flame , no soot

Chemical reactions of alcohol

OHHCOHHC 242252

Heat ethanol in the presence of porcelain chips

Observation: gas formed changed brown bromine to colourless

Test for ethene gas

Chemical reactions of alcohol

OHCOOHCHOOHHC 23252 ][2

Warm ethanol with oxidising agent

Observation: with, purple colour is decolourised

With , orange colour changed to green

4KMnO

722 OCrK

Chemical reactions of alcohol

OHHCOOCCH

COOHCHOHHC

2523

3252

Warm ethanol with any carboxylic acid in the presence of catalyst conc

Observation: sweet smelling substance is formed

42SOH