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Byju's Answer
Standard XII
Chemistry
Reduction of Carboxylic Acids
35 Which of t...
Question
35 Which of the following is not planar in structure? 1) CH2 = CH -- CH = CH2 2) CH2 = CH -- CN 3) CH2 = C = CH2 4) CH2 = C = C = CH2 Also explain the reason clearly.
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Similar questions
Q.
I.
C
H
2
=
C
H
−
C
H
=
C
H
−
⊕
N
H
3
II.
⊕
C
H
2
−
C
H
=
C
H
−
⊖
C
H
−
⊕
N
H
3
III.
⊕
C
H
2
−
C
H
=
C
H
−
C
H
=
N
H
3
Which of these structures is not a valid canonical structure?
Q.
Arrange the following in increasing order of stability on the basis of resonance.
(i)
C
H
2
=
C
H
−
C
H
=
C
H
−
+
C
H
2
(ii)
C
H
2
=
C
H
−
+
C
H
−
C
H
=
C
H
2
(iii)
C
H
2
=
C
H
−
+
C
H
−
−
C
H
−
+
C
H
2
(iv)
+
C
H
2
−
C
H
=
C
H
−
−
C
H
−
+
C
H
2
.
Q.
Which will undergo reaction with ammonical
A
g
N
O
3
?
Q.
Write IUPAC names of the following
@CH3-CH2-CH=CH2
@CH3-CH2-CH2-C(CH3)2-CH3
@CH3-CH2-CHO
@CH3-CH(OH)-CH3
@CH3-CH2-CH2-COOH
Q.
Which of the following lone-pair indicated is not involved in resonance?
(A)
C
H
2
=
C
H
−
.
.
N
H
−
C
H
3
(B)
C
H
2
=
C
H
−
.
.
O
.
.
−
C
H
3
(C)
C
H
2
=
C
H
−
.
.
O
.
.
−
C
H
=
C
H
2
(D)
C
H
2
=
C
H
−
N
H
2
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