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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.
\[\ce{CH_3 - CH_2 - \overset{⊕}{C}H-CH_2 - CH_3}\]
Identify the α - carbons in the following species and give the total number of α-hydrogen.
Draw a resonance structure of the following:
Buta-1,3-diene
Distinguish between Inductive effect and resonance effect.
Distinguish between Homolysis and heterolysis.
Choose the correct option.
Hyperconjugation involves overlap of ______ orbitals.
Choose the correct option.
The geometry of a carbocation is ______.
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 _______.
Which of the following is NOT an electrophile?
Which of the following is TRUE for homolytic fission?
Identify the reagent used in the following reaction:
\[\ce{CH3 - CH2 - Br ->[?] CH3 - CH2 - OH}\]
The best reagent for the following conversion is:
The +I inductive effect is shown by which of the following groups?
Which of the following alkyl groups shows maximum positive inductive effect?
The most unstable free radical among the following is:
Which of the following is the most unstable carbocation?
IUPAC name of 
is ______.
How many tertiary carbon atoms and primary carbon atoms respectively are present in 2-iodo-3, 3- dimethyl pentane?
Which of the following represents a set of nucleophiles?
Arrange the following free radicals in order of decreasing stability.
- Methyl
- Vinyl
- Allyl
- Benzyl
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 in each.
\[\ce{CH3 - CH2 - \overset{\oplus}{C}H -CH2 - CH2 }\]
Identify the α - carbons in the following species and give the total number of α-hydrogen in each.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogens.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Which of the following groups exhibits a +I effect?
