Question

Which of the following resonance structure is lowest in energy ?
General Organic Chemistry mcq question image

A. A  
B. B
C. C
D. All have same energy
Answer :   A
Solution :
The order of stability of resonating structures carrying no charge > carrying minimum charge and each atom having octet complete.

Releted MCQ Question on
Organic Chemistry >> General Organic Chemistry

Releted Question 1

The bond order of individual carbon-carbon bonds in benzene is

A. one
B. two
C. between one and two
D. one and two alternately
View Answer
Releted Question 2

Molecule in which the distance between the two adjacent carbon atoms is largest is

A. Ethane
B. Ethene
C. Ethyne
D. Benzene
View Answer
Releted Question 3

Among the following, the compound that can be most readily sulphonated is

A. benzene
B. nitrobenzene
C. toluene
D. chlorobenzene
View Answer
Releted Question 4

The compound 1, 2-butadiene has

A. only $$sp$$   hybridized carbon atoms
B. only $$s{p^2}$$ hybridized carbon atoms
C. both $$sp$$  and $$s{p^2}$$ hybridized carbon atoms
D. $$sp$$ , $$s{p^2}$$ and $$s{p^3}$$ hybridized carbon atoms
View Answer

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General Organic Chemistry

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Physical ChemistrySome Basic Concepts in ChemistryStoichiometryStates of Matter Solid, Liquid and GasAtomic StructureChemical ThermodynamicsSolutionsSolid StateSurface ChemistryChemical EquilibriumIonic EquilibriumChemical KineticsRedox ReactionElectrochemistryNuclear Chemistry
Inorganic ChemistryChemical Bonding and Molecular StructureOres and MetallurgyClassification of Elements and Periodicity in PropertiesHydrogenS - Block ElementsP - Block ElementsD and F Block ElementsCo - ordination CompoundsQualitative AnalysisPreparation and Properties of CompoundsEnvironmental Chemistry
Organic ChemistryGeneral Organic ChemistryIsomerismPurification and Characterisation of Organic CompoundsHydrocarbons (Alkane, Alkene and Alkyne)Aromatic hydrocarbonElectrophilic Aromatic Substitution (Haloalkanes and Haloarenes)Alkyl and Aryl HalideReactions on BenzeneAlcohol, Phenol and EtherAldehyde and KetoneCarboxylic AcidOrganic Compounds Containing NitrogenName ReactionsPolymersBiomoleculesChemistry in Everyday LifePractical Organic Chemistry