Resonance Worksheet Page 3

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Q.8 Which one of the following is not a resonance form of para-
aminobenzaldehyde ?
O
O
O
O
H
H
H
H
••
(A)
(B)
(C)
(D)
+NH
+NH
+NH
+NH
2
2
2
2
Q.9 What is the relationship between the following two structures ?
+
OH
OH
and
H
C
H
C
3
3
+
NH
NH
2
2
(A) resonance forms
(B) stereoisomers
(C) constitutional isomers
(D) tautomers
Q.10
I
II
H – N – N – N
In skeleton hydrogen azide (above) the bond orders of bonds I and II
are :
I
II
(A)
2
2
(B)
< 2
> 2
(C)
> 2
< 2
(D)
> 2
> 2
(E)
< 2
< 2

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