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Share/Save/Bookmark Login/ Register to Bookmark Topic : "Organic Chemistry2" Started by Tapas

Tapas

#1 Posted 4:02pm 17-03-10  

Organic Chemistry2

1.
Phenol + C[ss]6[/ss]H[ss]5[/ss]COCl --------[p]OH[p]-[/p][/p]------> HCl + (P)
Identify (P)

[hide]Is P [b]C[ss]6[/ss]H[ss]5[/ss]COOC[ss]6[/ss]H[ss]5[/ss][/b][/hide]

2. ([i]True/False[/i]) Give reason.
Nitration of nitrobenzene is easier than benzene.


   

Anirudh

#2 Posted 6:08pm 17-03-10  

Re: Organic Chemistry2

2.

false
nitro is deactivating group.
God made the laws only nearly symmetrical so that we should not be jealous of His perfection!- Feynman    

pranav

#3 Posted 6:30pm 17-03-10  

Re: Organic Chemistry2

hey u think ...first OH- will replace cl- .....then its esterifaication...!

[hide]but am weak at organic so ...[/hide]
   

pranav

#4 Posted 6:34pm 17-03-10  

Re: Organic Chemistry2

??
   

govind

#5 Posted 6:41pm 17-03-10  

Re: Organic Chemistry2

Ans 1 ..this is a direct reaction from NCERT..

Ans 2 ..the statement is false...Nitro grp has a postive charge so it attacks like an electrophile...rate of electrophilic attack on nitrobenzene is slow as compared to benzene coz the nitro grp deactivates the benzene ring for any electrophilic attack...
   

pranav

#6 Posted 6:56pm 17-03-10  

Re: Organic Chemistry2

@govind cud u tell exact final ans!
   

govind

#7 Posted 7:01pm 17-03-10  

Re: Organic Chemistry2

The product P is the same as that Tapas mentioned (that's wat i think)
generally in this reaction pyridine is used as a base to direct the equilibrium in the forward direction..in this case OH[p]-[/p] is used...
   
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