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Byju's Answer
Standard XII
Chemistry
Introduction to Electrophilic Substitution
Which has mor...
Question
Which has more resonance energy in question?
C
H
2
=
C
H
−
⊖
O
and
C
H
2
=
C
H
−
O
H
.
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Solution
Reffer image.
Resonance energy
=
I
>
I
I
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Similar questions
Q.
Resonance structures of propenal are given below. Which of these resonating structure is more stable? Give reason for your answer.
C
H
2
=
C
H
−
C
H
=
O
I
⟷
⊕
C
H
2
−
C
H
=
C
H
−
⊝
O
I
I
Q.
I
.
⊖
C
H
2
−
⊕
C
H
−
C
H
=
C
H
−
O
−
C
H
3
I
I
.
⊖
C
H
2
−
C
H
=
C
H
−
⊕
C
H
−
O
−
C
H
3
I
I
I
.
C
H
2
=
C
H
−
⊖
C
H
−
⊕
C
H
−
O
−
C
H
3
I
V
.
C
H
2
=
C
H
−
⊖
C
H
−
C
H
=
⊕
O
−
C
H
3
C
H
2
=
C
H
−
C
H
=
C
H
−
O
−
C
H
3
has the following above resonating structures.
The correct order of stability of these resonating structures is:
Q.
In which of the following pairs of carbocations, the first carbocation is more stable than the second?
(i)
C
H
2
=
C
H
−
+
C
H
2
and
C
H
2
=
C
H
−
C
H
2
−
+
C
H
2
(ii)
C
H
3
−
N
H
−
+
C
H
2
and
+
C
H
2
−
O
H
(iii)
C
H
3
−
O
−
C
H
2
−
+
C
H
2
and
C
H
2
−
O
−
+
C
H
2
(iv)
C
H
3
−
+
C
H
−
C
H
2
C
H
2
C
H
3
and
C
H
3
C
H
2
−
+
C
H
−
C
H
2
C
H
3
Q.
C
H
2
=
C
H
−
C
H
2
−
C
H
2
−
C
H
|
|
O
−
C
H
2
−
O
H
Write the IUPAC name of the given compound.
Q.
Which is the most suitable reagent for the following conversion?
C
H
3
−
C
H
=
C
H
−
C
H
2
−
O
|
|
C
−
C
H
3
→
C
H
3
−
C
H
=
C
H
−
C
H
2
−
O
|
|
C
−
O
H
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