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प्रश्न
Identify the α - carbons in the following species and give the total number of α-hydrogen.
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उत्तर
In structure, carbon atoms adjacent to C-2 are α-carbon atoms (as shown in the structure).
Thus, the structure contains 6 α-H atoms.
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संबंधित प्रश्न
Find out the most stable species from the following. Justify.
`bar"C""H"_3, bar"C""H"_2"Br", bar"C""Br"_3`
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH_3 - CH_2 - \overset{⊕}{C}H-CH_2 - CH_3}\]
Draw a resonance structure of the following:
Benzaldehyde
Draw a resonance structure of the following:
Acetate ion
Distinguish between Inductive effect and resonance effect.
Write true or false. Correct the false statement.
Free radicals are negatively charged species.
Draw all the no-bond resonance structures of isopropyl carbocation.
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.
Hyperconjugation involves overlap of ______ orbitals.
The correct IUPAC name of the compound 
is ______.
Choose the correct option.
The geometry of a carbocation is ______.
Identify the reagent used in the following reaction:
\[\ce{CH3 - CH2 - Br ->[?] CH3 - CH2 - OH}\]
Which of the following shows positive resonance (+R) effect?
The most unstable free radical among the following is:
The overlap of σ-p orbitals is called ____________.
Resonance is NOT exhibited by ____________.
How many pi bonds and sigma bonds are present in following molecule?
Identify the group that exerts electron withdrawing resonance effect.
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.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α - 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.
CH2 = CH - CH2 - CH3
Identify the α-carbons in the following species and give the total number of α-hydrogens.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
Which of the following groups exhibits a +I effect?
