Organic Chemistry

1

maddybaddie ·2009-03-31 04:57:50

its 'dudette' not 'dude'... alryt?

i'v gone thru all d posts n d only possibility left is NH2- but m not convinced...

i mite b wrong... dunno

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11

Mani Pal Singh ·2009-03-31 04:21:26

FIR TUKKE ................[16]

AGGAR NAHIN KNOWLEDGE TO PANGE MAT LO !!!!!!!!!!!!

4 UR KNOWLEDGE
PCl₃ REACTS WITH WATER

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1

Optimus Prime ·2009-03-31 04:23:15

plz wait i want to say a full sentence i was saying that

it is PCl₃ which reacts with water and it is CH⁺³ which does not react react with water [4]

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1

Optimus Prime ·2009-03-31 04:32:33

[54][53][51][52][55][56][57][59]

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1

maddybaddie ·2009-03-31 04:35:06

AlCl₃ attacks Cl and a carbocation is formed which acts as an electrophile and attacks the benzene ring at ortho position...

try drawing the structure n i hope u'll get it...

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11

Mani Pal Singh ·2009-03-31 04:35:15

@ AIR-1
ur answer is still WRONG

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1

maddybaddie ·2009-03-31 04:38:13

@ /-\IR-1

benzyl amine does not have amine group attached and -CH₂NH₃ group will not show resonance...

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11

Mani Pal Singh ·2009-03-31 04:39:58

GOOD POINT MADDY.........
I THINK I MADE THAT MISTAKE ONLY
BUT WHAT IS THE ANSWER TO 1

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1

maddybaddie ·2009-03-31 04:46:24

i guess it shud b NF₃...
bond overlap is more effective due to small size difference and it is difficult for H₂O to cleave the bond also due to high charge density...

PCl₃ hydrolyses to give H₃PO₃...

NH₂^- is a strong base...

CH₃⁺ is polar..

wat is d answer given?

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11

Mani Pal Singh ·2009-03-31 04:47:24

DUDE HAVE A LOOK AT #2 AND #3

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Mani Pal Singh ·2009-03-31 04:48:08

OK THIS A QUESTION 4M THE IIT 1997 BUT THE ANSWER IS NOT NF₃

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1

Optimus Prime ·2009-03-31 04:18:49

it is PCl₃

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11

Mani Pal Singh ·2009-03-31 05:00:11

@MADDY THERE WAS A POST OF MR ASPIRANT
I WAS TALKING TO HIM(NOW DELETED )

IT IS A QUESTION 4M IIT 1997 FILL IN THE BLANKS AS I SAID EARLIER
I HAD CONFUSION THATS Y I ASKED

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1

maddybaddie ·2009-03-31 05:03:24

oops!!!!!!!!!!!!!!

m so sorry......big misunderstanding !! :P

sorry again!

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11

Mani Pal Singh ·2009-04-01 08:42:58

koi #1 mein to help kar do na !!!!!!!!!!!!!!!!

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1

skygirl ·2009-04-01 08:56:28

this is a good q!

mere se bhi nahi hora...

me too gettinh NF3 even after seeing the ans... i am not convinced how it is nh2- !!

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Mani Pal Singh ·2009-04-01 08:57:55

but sky paper mein to answer yehi diya hua tha [17][17]

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1

skygirl ·2009-04-01 09:01:56

pata hai.... main dekhi...

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1

skygirl ·2009-04-01 09:02:17

pata hai.... main dekhi...

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1

maddybaddie ·2009-04-01 23:44:43

i'v checkd 2-3 sources...

all say dat NF3 can't b hydrolysed...
n clearly NH2- is a very strong base....

perhaps sum printing error in ur bk mani...

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11

Mani Pal Singh ·2009-04-01 23:51:12

thanx 4 the help

Disha mein aisa likha hua tha so i wasted ur time
Thanx 4 the searching !!!!!!!!!!!

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1

Optimus Prime ·2009-03-31 03:44:41

benzyl amine also has electron donating group directly attached to benzene

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11

Mani Pal Singh ·2009-03-31 03:13:25

bhai maine bhi kuch aisa hi soocha tha

but we both r wrong [17][17][17]

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11

Mani Pal Singh ·2009-03-31 03:25:35

1 more question

Q2 In which of the following resonance with attached group is possible?
a) p-toluidine
b) benzyl amine
c) 1-amino propane
d) ethyl amine

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11

Mani Pal Singh ·2009-03-31 03:26:19

1 aur

Q3 what is the product formed when AlCl3 is added to 4 chloro-1-phenylbutane?
a) 1,8-diphenyl octane
b) a polymer is formed
c) 1,2-cyclohexyl benzene
d) no reaction

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1

Optimus Prime ·2009-03-31 03:29:46

Q. 2 i think benzyl amine

Q.3 option c

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Mani Pal Singh ·2009-03-31 03:32:50

ur 3rd is correct please explain.........

but sorry 4 the 2nd 1
i too got the same answer

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21

tapanmast Vora ·2009-03-31 03:37:19

Q2 a

Q3 c

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Mani Pal Singh ·2009-03-31 03:39:35

tapan u r bang on target 4 these 2 [1]
but please explain

my organic is poor

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1

Optimus Prime ·2009-03-31 03:40:19

even my organic is poor manipal

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