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प्रश्न
Draw a resonance structure of the following:
Phenol
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उत्तर
Resonance structures for phenol:
Phenol has a hydroxyl group (–OH) attached to a benzene ring. The lone pair on the oxygen can form a double bond with the carbon it’s attached to, pushing the π electrons around the ring. This delocalization creates resonance structures where negative charge is spread over the ortho and para positions of the ring, stabilizing the molecule.
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संबंधित प्रश्न
Find out the most stable species from the following. Justify
`dot"CH","CH"_3-dot"CH" - "CH"_3,` \[\begin{array}{cc}\ce{CH3 -\dot{C} - CH3}\\
|\phantom{.}\\\phantom{..}\ce{CH3}\end{array}\]
Identify the α - carbons in the following species and give the total number of α-hydrogen.
Draw a resonance structure of the following:
Benzaldehyde
Distinguish between Inductive effect and resonance effect.
Distinguish between Electrophile and nucleophile.
Write true or false. Correct the false statement.
Homolytic fission involves the unsymmetrical breaking of a covalent bond.
Write true or false. Correct the false statement.
Heterolytic fission results in the formation of free radicals.
Choose the correct option.
Which of the following statements are true with respect to electronic displacement in a covalent bond?
a. Inductive effect operates through π bond
b. Resonance effect operates through σ bond
c. Inductive effect operates through σ bond
d. Resonance effect operates through π bond
Choose the correct option.
The homologous series of alcohols has general molecular formula ______.
Choose the correct option.
The delocalization of electrons due to overlap between p orbital and sigma bond is called _______.
Predict the order of reactivity of the following compounds by SNl reaction mechanism.
\[\ce{\underset{\text{(I)}}{C6H5CH(C6H5)Cl}}\]
\[\ce{\underset{\text{(II)}}{C6H5CH2Cl}}\]
\[\ce{\underset{\text{(III)}}{C6H5C(CH3)(C6H5)Cl}}\]
Which of the following compound is highly reactive towards HCN?
Which of the following is NOT an electrophile?
The best reagent for the following conversion is:
Which of the following alkyl groups shows maximum positive inductive effect?
The most unstable free radical among the following is:
Which of the following statements is not correct?
Identify the group that exerts electron withdrawing resonance effect.
Identify the functional group that has an electron-donating inductive effect.
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen in it.
CH2 = CH − CH2 − CH3
Identify the α - carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α-carbon in the following species and give the total number of α-hydrogen.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
Identify the α - carbons in the following species and give the total number of α-hydrogen in each.
\[\ce{CH3 - CH2 - \overset{\oplus}{C}H -CH2 - CH2 }\]
Which of the following groups exhibits a +I effect?
