Advertisements
Advertisements
Question
Draw a resonance structure of the following:
Buta-1,3-diene
Advertisements
Solution
Resonance structures of buta-1,3-diene:
APPEARS IN
RELATED QUESTIONS
Find out the most stable species from the following. Justify
`dot"CH","CH"_3-dot"CH" - "CH"_3,` \[\begin{array}{cc}\ce{CH3 -\dot{C} - CH3}\\
|\phantom{.}\\\phantom{..}\ce{CH3}\end{array}\]
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.
\[\ce{CH_3 - CH_2 - \overset{⊕}{C}H-CH_2 - CH_3}\]
Identify the α-carbon in the following species and give the total number of α-hydrogens.
\[\ce{CH2 = CH - CH2 - CH3}\]
Draw a resonance structure of the following:
Acetate ion
Distinguish between Electrophile and nucleophile.
Write true or false. Correct the false statement.
Free radicals are negatively charged species.
Write true or false. Correct the false statement.
Aniline is a heterocyclic compound.
Choose the correct option.
Hyperconjugation involves overlap of ______ orbitals.
Which of the following is NOT an electrophile?
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:
Which of the following is the most unstable carbocation?
How many tertiary carbon atoms and primary carbon atoms respectively are present in 2-iodo-3, 3- dimethyl pentane?
The most probable product in the reaction given below is:
Which element among the following does form pπ - pπ multiple bonds?
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.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
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.
CH2 = CH - CH2 - CH3
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 - 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.
\[\ce{CH2 = CH - CH2 - CH3}\]
Which from following tests decides the straight chain structure of glucose?
Which of the following groups exhibits a +I effect?
