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Question
Draw the resonance structure for the following compound. Show the electron shift using curved-arrow notation.
C6H5OH
Solution
The structure of C6H5OH is:
The resonating structures of phenol are represented as:
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Draw the resonance structure for the following compound. Show the electron shift using curved-arrow notation.
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Draw the resonance structure for the following compound. Show the electron shift using curved-arrow notation.
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Draw the resonance structure for the following compound. Show the electron shift using curved-arrow notation.
C6H5 – CHO
In which of the following representations given below spatial arrangement of group/ atom different from that given in structure ‘A’?
 |
| (A) |
| (i) |  |
| (ii) |  |
| (iii) |  |
| (iv) |  |
What is the hybridisation of each carbon in H2C = C = CH2.
Draw the possible resonance structures for \[\ce{CH3 - \overset{\bullet\bullet}{\underset{\bullet\bullet}{O}} - \overset{+}{C}H2}\] and predict which of the structures is more stable. Give reason for your answer.
Which of the following ions is more stable? Use resonance to explain your answer.
The structure of triphenylmethyl cation is given below. This is very stable and some of its salts can be stored for months. Explain the cause of high stability of this cation.
Draw the resonance structure of the following compounds;
Draw the resonance structure of the following compounds;
CH2 = CH – CH = CH2
Draw the resonance structure of the following compounds;
\[\begin{array}{cc}
\ce{CH2 = CH - C = O}\\
\phantom{.........}|\\
\phantom{.........}\ce{H}
\end{array}\]
Which of the following compounds will not exist as resonance hybrid. Give reason for your answer:
Resonance structures of propenal are given below. Which of these resonating structures is more stable? Give reason for your answer.
\[\ce{\underset{I}{CH2 = CH - CH = O} <-> \underset{II}{\overset{⊕}{C}H2 - CH = CH - \overset{Θ}{O}}}\]
Which of the two structures (A) and (B) given below is more stabilised by resonance? Explain.
\[\ce{\underset{(A)}{CH3COOH}}\] and \[\ce{\underset{(B)}{CH3CO\overset{Θ}{O}}}\]
Assertion (A): Energy of resonance hybrid is equal to the average of energies of all canonical forms.
Reason (R): Resonance hybrid cannot be presented by a single structure.
