Halogenation(X2) of alkene

[joonkimdds]

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Hi, I learned that Halogenation of alkene is anti addition that breaks C=C and make it into alkane.

I thought all we need for halogenation of C=C and X2 such as Br2 and Cl2.

According to the DAT destroyer roadmap, they added Cl2 with CCl4 to C=C and halogenated the alkene. The result was the same as just adding Cl2 to C=C.

so what's the point of adding CCl4 if without CCl4 can still bring the same result?

 

[Danny289]

Hi, I learned that Halogenation of alkene is anti addition that breaks C=C and make it into alkane.

I thought all we need for halogenation of C=C and X2 such as Br2 and Cl2.

According to the DAT destroyer roadmap, they added Cl2 with CCl4 to C=C and halogenated the alkene. The result was the same as just adding Cl2 to C=C.

so what's the point of adding CCl4 if without CCl4 can still bring the same result?

CCl4 is solution.

 

[joonkimdds]

CCl4 is solution.

so why do we need it?

 

[elowdds]

The CCl4 is the solvent to dissolve the Cl2 such that chloride ions can be available for the alkene to react with.

 

[joonkimdds]

The CCl4 is the solvent to dissolve the Cl2 such that chloride ions can be available for the alkene to react with.

I see, but Cl2 can still react with alkene without the help from CCl4, right?

and what other solvent besides CCl4 can help dissociating Cl2? and Br2?
(In other word, how am I supposed to know that CCl4 help dissociating Cl2?)

 

[D3ntalDud3]

'like likes like' or, polar will dissolve in polar and non-polar will dissolve in non-polar