Organic chem 入來指指教教一下~~~~~~~~~~^_^~~~~~~~~~~~~~~

piyopiyo

dunno for addition...
but substitution...
CH4 + Br2--->CH3Br + HBr...
which is a redox

piyopiyo

原帖由 samson2020 於 27-4-2008 17:49 發表
我打一條pastpaper出黎
year 94 mc Q45
1st statement: butane can immediately decolourize bromine
2nd statement: butane can be oxidized by bromine

ans: D( both statement are wrong)

咁姐系點=.=.. ...

係咪因為要 bromine in 1-1-1,trichloroethane ar[[tk_02]]

piyopiyo

原帖由 Puppet 於 27-4-2008 18:54 發表

未聽過, 未睇過

我睇過本d人話好強ge chem書都係咁講[[tk_02]]
同埋某年 paper 1...
話將 唔知將一舊 alkane 同一舊alkene 放落 bromine下
我記得marking係話,alkene果個decolourize quickly,alkane果舊slowly[[tk_02]]

[ 本帖最後由 piyopiyo 於 27-4-2008 19:45 編輯 ]