1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
In a SN2 substitution reaction of the type
R $$-$$ Br + Cl$$-$$ $$\buildrel {DMF} \over \longrightarrow $$ R$$-$$Cl + Br$$-$$
which one of the following has the highest relative rate?
R $$-$$ Br + Cl$$-$$ $$\buildrel {DMF} \over \longrightarrow $$ R$$-$$Cl + Br$$-$$
which one of the following has the highest relative rate?
A
B
CH3CH2Br
C
CH3CH2CH2Br
D
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
CH3 $$-$$ CHCl $$-$$ CH2 $$-$$ CH3 has a chiral centre. Which one of the following represents its R-configuration?
A
B
C
D
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which of the following is not chiral?
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism?
Questions Asked from Haloalkanes and Haloarenes (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
NEET 2025 (1)
NEET 2024 (Re-Examination) (2)
NEET 2024 (2)
NEET 2023 Manipur (4)
NEET 2023 (1)
NEET 2021 (2)
NEET 2020 Phase 1 (2)
NEET 2018 (1)
NEET 2017 (1)
NEET 2016 Phase 2 (1)
NEET 2016 Phase 1 (1)
AIPMT 2015 (1)
AIPMT 2015 Cancelled Paper (1)
AIPMT 2014 (1)
AIPMT 2012 Mains (1)
AIPMT 2011 Mains (2)
AIPMT 2010 Mains (1)
AIPMT 2010 Prelims (2)
AIPMT 2009 (1)
AIPMT 2008 (1)
AIPMT 2007 (1)
AIPMT 2006 (1)
AIPMT 2005 (1)
AIPMT 2004 (1)
AIPMT 2002 (2)
AIPMT 2001 (2)
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
Modern Physics
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
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