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प्रश्न
Draw a resonance structure of the following:
Benzaldehyde
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उत्तर
Resonance structures of benzaldehyde:
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संबंधित प्रश्न
Find out the most stable species from the following. Justify.
\[\ce{\overset{+}{C}H3, \overset{+}{C}H2Cl, \overset{+}{C}Cl3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH_3 - CH_2 - \overset{⊕}{C}H-CH_2 - CH_3}\]
Distinguish between Inductive effect and resonance effect.
Distinguish between Homolysis and heterolysis.
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.
Aniline is a heterocyclic compound.
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 geometry of a carbocation is ______.
Choose the correct option.
The homologous series of alcohols has general molecular formula ______.
Which of the following is the strongest nucleophile?
Which of the following statements is INCORRECT about hyperconjugation?
Identify the reagent used in the following reaction:
\[\ce{CH3 - CH2 - Br ->[?] CH3 - CH2 - OH}\]
Which of the following shows positive resonance (+R) effect?
Which of the following alkyl groups shows maximum positive inductive effect?
The most unstable free radical among the following is:
The overlap of σ-p orbitals is called ____________.
Which of the following alkyl groups shows least positive inductive effect?
Which of the following is NOT an electrophile?
Which of the following statements is not correct?
Identify the group that exerts electron withdrawing resonance effect.
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 in each.
\[\ce{CH3 - CH2 - \overset{\oplus}{C}H -CH2 - CH2 }\]
Identify the α-carbon 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 each.
\[\ce{CH3 - CH2 - \overset{\oplus}{C}H - CH2 - CH3}\]
Identify the α - carbon in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Which of the following groups exhibits a +I effect?
