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akhl IF-Rockerz
akhl
akhl

Joined: 30 March 2007
Posts: 5264

Posted: 22 March 2011 at 8:21am | IP Logged
See the above solution. There is some difference between the two Ka values. This means there is some error in taking the data.
But it is ok. Some small error will always be there. Just confirm once more that the data are correct.
 


Edited by akhl - 22 March 2011 at 1:19pm
Miggi Groupbie
Miggi
Miggi

Joined: 02 June 2006
Posts: 142

Posted: 22 March 2011 at 10:51pm | IP Logged
hey thank you so much and i have got the same answers as yours by the different method  but i have written down this method too.
Thanks again :) 
Miggi Groupbie
Miggi
Miggi

Joined: 02 June 2006
Posts: 142

Posted: 23 March 2011 at 9:07pm | IP Logged
 
 
Thanks in advance:)
akhl IF-Rockerz
akhl
akhl

Joined: 30 March 2007
Posts: 5264

Posted: 23 March 2011 at 11:57pm | IP Logged
Show the same H atom bonded to both N atoms. It will be covalently bonded to one N atom (solid line) and hydrogen bonded to another N atom (dashed line). Draw as shown below:-
 
akhl IF-Rockerz
akhl
akhl

Joined: 30 March 2007
Posts: 5264

Posted: 24 March 2011 at 6:26am | IP Logged
 
 
akhl IF-Rockerz
akhl
akhl

Joined: 30 March 2007
Posts: 5264

Posted: 24 March 2011 at 8:48am | IP Logged
Answer to the last problem:
In the last problem you need three compounds. I am giving their structures below.
 
 
 
Miggi Groupbie
Miggi
Miggi

Joined: 02 June 2006
Posts: 142

Posted: 24 March 2011 at 9:58pm | IP Logged
Hey only the first part in the last question is right and all other answers are wrong
 for q#1 i don't have any tools to draw a dashed bond so is there any other way to do it?
akhl IF-Rockerz
akhl
akhl

Joined: 30 March 2007
Posts: 5264

Posted: 24 March 2011 at 11:43pm | IP Logged
Answer to #1 is correct. If there is no tool to make dashed bond, then see what tool is there to make hydrogen bonding. Use that.
 
 

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