chem distinguish test question
[複製鏈接]
|
1-methylcyclohexanol 同3-methylcyclohaxanol可分用咩test黎分辨?
同埋distinguish alkane and alkene既test可ng可以用落distinguish cyclohexane &cyclohexene度?(eg:add Br2 in CCl4) |
|
|
|
|
1. Add ZnCl2/conc HCl into the liquid.
1-methylcyclohexanol gives white ppt immediately while 3-methylcyclohaxanol gives white ppt after several minutes.(This test can be used to test distingish 1 degree, 2 degree and 3 degree alcohol)
2. Can
But make sure that Br2 in CCl4 should be in dark.
[ 本帖最後由 cheungtszfung 於 2007-10-7 19:47 編輯 ] |
|
|
|
|
|
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement
|