分辨兩隻organic既野

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什麼test tube experiment能分辨出以下兩隻CHEMICALS ?
CH3CH=CHCl
CH2=CHCH2Cl

可否解釋一下?

Puppet

Nucleophilic substitution
why?
what's the difference if the double bond is at such positions?

[ 本帖最後由 Puppet 於 11-10-2008 16:13 編輯 ]

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唔明,double bond位置唔同,同Nucleophilic substitution有咩關係?

Puppet

C=C has some interaction with Cl in one of these compounds

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我唔明既係 C=C 乜可以做到Nucleophilic substitution既咩?
我一直學既Nucleophilic substitution都係由haloalkanes 做既
electrophilic substitution我就知

[ 本帖最後由 對不起]] 於 12-10-2008 14:07 編輯 ]

Zend

自己想一想吧

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我明左少少啦~
唔該晒大家~
仲之就係一個做到substitution,一個做唔到,right?

[ 本帖最後由 對不起]] 於 12-10-2008 14:11 編輯 ]

Zend

nucleophilic attack 係攻邊個,涉及d 咩
有咩決定行得快定慢...

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原帖由 Zend 於 12-10-2008 14:43 發表
nucleophilic attack 係攻邊個,涉及d 咩
有咩決定行得快定慢...

咁樣講,我又唔明@@
electrophile係attack Cl痴住既C,
如果係用快慢黎測試兩隻野的話,
即係兩隻都做到reaction,
咁即係做呢種reaction,唔需要用到double bond,
我諗係咪因為nucleophile係negative charge,
double bond又多electrons, 如果double bond太近nucleophile attack既果個C,
就會產生replusion,令到rate慢左??

Puppet

please read your book
CH3CH=CHCl is not an RX