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Physical Chemistry
Some Basic Concepts of Chemistry
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Structure of Atom
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Redox Reactions
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Gaseous State
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Chemical Equilibrium
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Ionic Equilibrium
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Solutions
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Thermodynamics
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Electrochemistry
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Chemical Kinetics
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Nuclear Chemistry
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Solid State
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Surface Chemistry
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Inorganic Chemistry
Periodic Table and Periodicity
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Chemical Bonding and Molecular Structure
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Processes of Isolation of Elements
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s-Block Elements
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Hydrogen
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p-Block Elements
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d and f Block Elements
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Coordination Compounds
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Environmental Chemistry
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Organic Chemistry
Some Basic Concepts of Organic Chemistry
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Hydrocarbons
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Haloalkanes and Haloarenes
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Alcohol, Phenols and Ethers
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Aldehydes, Ketones and Carboxylic Acids
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Organic Compounds Containing Nitrogen
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Polymers
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Biomolecules
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Chemistry in Everyday Life
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1
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Identify the correct answer.

A
Three resonance structures can be drawn for ozone
B
$$\mathrm{BF}_3$$ has non-zero dipole moment
C
Dipole moment of $$\mathrm{NF}_3$$ is greater than that of $$\mathrm{NH}_3$$
D
Three canonical forms can be drawn for $$\mathrm{CO}_3^{2-}$$ ion
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

The correct order of dipole moments for molecules $$\mathrm{NH}_3, \mathrm{H}_2 \mathrm{~S}, \mathrm{CH}_4$$ and $$\mathrm{HF}$$, is:

A
$$\mathrm{CH}_4 > \mathrm{H}_2 \mathrm{S} > \mathrm{NH}_3 > \mathrm{HF}$$
B
$$\mathrm{H}_2 \mathrm{S} > \mathrm{NH}_3 > \mathrm{HF} > \mathrm{CH}_4$$
C
$$\mathrm{NH}_3>\mathrm{HF}>\mathrm{CH}_4>\mathrm{H}_2 \mathrm{S}$$
D
$$\mathrm{HF}>\mathrm{NH}_3>\mathrm{H}_2 \mathrm{~S}>\mathrm{CH}_4$$
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

Which one of the following represents all isoelectronic species ?

A
$$\mathrm{Na}^{+}, \mathrm{Cl}^{-}, \mathrm{O}^{-}, \mathrm{NO}^{+}$$
B
$$\mathrm{N}_2 \mathrm{O}, \mathrm{N}_2 \mathrm{O}_4, \mathrm{NO}^{+}, \mathrm{NO}$$
C
$$\mathrm{Na}^{+}, \mathrm{Mg}^{2+}, \mathrm{O}^{-}, \mathrm{F}^{-}$$
D
$$\mathrm{Ca}^{2+}, \mathrm{Ar}, \mathrm{K}^{+}, \mathrm{Cl}^{-}$$
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

Which one of the following statements is incorrect related to Molecular Orbital Theory?

A
The $$\pi^*$$ antibonding molecular orbital has a node between the nuclei.
B
In the formation of bonding molecular orbital, the two electron waves of the bonding atoms reinforce each other.
C
Molecular orbitals obtained from $$2 \mathrm{P}_{\mathrm{x}}$$ and $$2 \mathrm{P}_{\mathrm{y}}$$ orbitals are symmetrical around the bond axis.
D
A $$\pi$$-bonding molecular orbital has larger electron density above and below the internuclear axis.
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NEET Subjects
Physics
Mechanics
Units & MeasurementMotion in a Straight LineMotion in a PlaneLaws of MotionWork, Energy and PowerCenter of Mass and CollisionRotational MotionGravitationProperties of MatterHeat and ThermodynamicsOscillationsWaves
Electricity
ElectrostaticsCurrent ElectricityCapacitorMoving Charges and MagnetismMagnetism and MatterElectromagnetic InductionAlternating CurrentElectromagnetic Waves
Optics
Geometrical OpticsWave Optics
Modern Physics
Atoms and NucleiDual Nature of Radiation and MatterSemiconductor Electronics
Chemistry
Physical Chemistry
Some Basic Concepts of ChemistryStructure of AtomRedox ReactionsGaseous StateChemical EquilibriumIonic EquilibriumSolutionsThermodynamicsElectrochemistryChemical KineticsNuclear ChemistrySolid StateSurface Chemistry
Inorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureProcesses of Isolation of Elementss-Block ElementsHydrogenp-Block Elementsd and f Block ElementsCoordination CompoundsEnvironmental Chemistry
Organic Chemistry
Some Basic Concepts of Organic ChemistryHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsOrganic Compounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday Life
Biology
Botany
Cell - The Unit of LifeBiomoleculesCell Cycle and Cell DivisionSexual Reproduction in Flowering PlantsMicrobes in Human WelfareAnatomy of Flowering PlantsTransport in PlantsMineral NutritionRespiration in PlantsBiotechnology: Principles and ProcessesBiodiversity and ConservationThe Living WorldBiological ClassificationMorphology of Flowering PlantsPhotosynthesis in Higher PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionBiotechnology and It's ApplicationsOrganisms and PopulationsEnvironmental IssuesPlant KingdomPlant Growth and DevelopmentEcosystem
Zoology
Human Health and DiseasesBody Fluids and Its CirculationLocomotion and MovementNeural Control and CoordinationReproduction in OrganismsReproductive HealthStructural Organisation in AnimalsDigestion and AbsorptionExcretory Products and Their EliminationChemical Coordination and IntegrationHuman ReproductionAnimal KingdomBreathing and Exchange of GasesEvolution