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Byju's Answer
Standard XII
Chemistry
Stability of Carbocation
Reaction Of N...
Question
Reaction Of N,N dimethyl With HNO2 forms??
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Q.
Assertion :
P
h
N
+
2
B
r
−
couples with N,N-dimethyl aniline (I) but not with 2,6-dimethyl-N,N dimethyl aniline (II). Reason: Due to steric inhibition of resonance, the p-position of (II) is not sufficiently activated for the coupling reaction.
Q.
An organic acid (
X
) has molecular formula
C
8
H
16
O
2
.
X
on heating with
N
H
3
forms
Y
which on treatment with alkaline
B
r
2
forms
Z
.
Z
on treatment with
H
N
O
2
followed by heating with
H
2
S
O
4
gives 2,4-dimethyl-2-pentene. How many different acids (
X
) can give the indicated final product?
Q.
Methylamine reacts with
H
N
O
2
to form:
Q.
The set A = {5, 10, 15, 20, 25, 30} written in the set builder form is ______________________.
Q.
Match the column I with column II and mark the appropriate choice.
Column I
Column II
(A)
Aniline
(i)
Can be made by Gabriel phthalimide reaction
(B)
N-Methylaniline
(ii)
Undergoes electrophilic substitution reaction with
H
N
O
2
(C)
N, N-Dimethylaniline
(iii)
Forms yellow oily product with
H
N
O
2
(D)
Benzylamine
(iv)
Gives azo dye test
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