Ochem Q.

[Dencology]

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guys can you look at this problem and let me know what is the ans?
see the attachment.

 

[excusezmoi]

C Br2 adds anti addition
B anion stabilizes C while cation stabilizes N ( don't know how to explain this)
B - Cooh will have higher melting point

 

[klutzy1987]

The answer to question 3 is A becaus carboxy has highest freezing and boiling.

 

[excusezmoi]

oh yeah it's A --i should watch myself on the test then...my brain n hands are not coordinating lol 🙁

 

[Dencology]

i still don't get it how anion stabilizes carbon and cation stabilizes Nitrogen?

 

[excusezmoi]

I think that Carbon has 4 valence while Nitrogen has 5 others does not follow the octet rule coz they're bonded already. the - and + i think cancels out probably try calculate it using Formal bonds