November 30, 2015

Homework Help: chemistry

Posted by initial D on Thursday, December 4, 2008 at 10:28am.

Please help ~~
Because i don't ever know the reaction in organic compound ..
Do anyone has the data bank of the organic chemicals ?
I cannot find out what are the compound in the reaction with it ~~

1. What do butylamine give when it is dissolved in water ?
A nearly pH10 solution was obtained. There may be some OH- ions in the equation.

2. When phenylamine react with hydrochloric acid ,the color of the solution turns from black to pure brown .How can i present it in equation ? Also, when the solution was placed to evaporate, a brown solid is obtained.What is it?
Moreover, does butylamine react with hydrochloric acid?There is no observable changes , it remains colorless.

3. When copper(II) sulphate solution react with phenylamide, a yellowish-green solid form. Besides, it seems that there is also some black solid. What are they ?

4.When copper(II) sulphate solution react with butylamide, some blue precipitates were formed and then redissolved to give a colorless solution. What have been happened during the reaction ? What are the products in the reaction ?

5. When copper(II) sulphate solution react with ammonia solusion,the solution turns to deep blue andthen be pale blue. What were formed in the reaction ?

Please help me before i've found the data ...plz plz plz plz .......

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