Combo Pack -III

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(Thts a Methyl Group in Qn 2))

3)Which can be prepared from NitroBenzene by SE reaction...?
a) o-dinitro benzene
b) p-dinitro benzene
c) m-nitro toluene
d) m-dinitro benzene

8 Answers

13
Avik ·

2) Ans - I-SnCl2/HCl, II- NH4HS
(SnCl2/HCL se dono Nitro groups reduce nahin ho jayenge kya..?
Also, NH4NS sirf meta(wrt other nitro) waale Nitro groups ko hi reduce karta hai kya..?)

3) Ans- d)
(It'll be be c) & d) both naa...?

1
Manmay kumar Mohanty ·

1) (b)

106
Asish Mahapatra ·

1. b
3. d .. (nitrobenzne is too less reactive for FC rkn)

13
Avik ·

Yeah, 1) right....But why dosen't it form a Salt..?

Thnx fr 3) asish.

39
Pritish Chakraborty ·

1. ka b salt hi toh hai? Sodium salt of phenol?

13
Avik ·

Nahi, but i thot Sulphonic acid ka salt ban-na chahiye tha... Ph-SO3Na ?

29
govind ·

well that's an NCERT reaction but i am not very sure abt the reason..maybe due to bulkiness and stability of HSO3- it leaves

13
Avik ·

Thnx all here :)

2) then is to be assumed as a fact till JEE, uske baad dekhenge :P

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