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Physical Chemistry
Some Basic Concepts of Chemistry
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Atomic Structure
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States of Matter
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Thermodynamics
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Chemical Equilibrium
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Ionic Equilibrium
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Liquid Solution
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Redox Reactions
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Surface Chemistry
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Solid State
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Electrochemistry
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Chemical Kinetics
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Nuclear Chemistry
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Inorganic Chemistry
Periodic Table and Periodicity
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Chemical Bonding and Molecular Structure
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Metallurgy
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Hydrogen and It's Compounds
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s-Block Elements
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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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Salt Analysis
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Environmental Chemistry
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Organic Chemistry
IUPAC Nomenclatures
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General Organic Chemistry
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Isomerism
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Hydrocarbons
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Haloalkanes and Haloarenes
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Alcohol, Phenols and Ethers
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Aldehyde and Ketone
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Carboxylic Acids and Its Derivatives
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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
KCET 2025
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match List-I with List-II and select the correct option: } $$

List-I (Molecule / ion) List-II (Bond order)
1 . NO 1 . NO 1.NO i. 15
2 . CO 2 . CO 2.CO ii. 2.0
3 . O 2 − 3 . O 2 − 3.O_(2)^(-) iii. 2.5
4 . O 2 4 . O 2 4.O_(2) iv. 3.0
A
a-iii, b-iv, c-i, d-ii
B
a-i, b-iv, c-iii, d-ii
C
a-ii, b-iii, c-iv, d-i
D
a-iv, b-iii, c-ii, d-i
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0

The electronic configuration of X and Y are given below:

$$ \begin{aligned} & X: 1 s^2 2 s^2 2 p^6 3 s^2 3 p^3 \\ & Y: 1 s^2 2 s^2 2 p^6 3 s^2 3 p^5 \end{aligned} $$

Which of the following is the correct molecular formula and type of bond formed between X and Y ?

A
$X_3 Y$, ionic bond
B
$X_2 Y_3$, coordinate bond
C
$\mathrm{XY}_3$, covalent bond
D
$\mathrm{X}_2 \mathrm{Y}$, covalent bond
3
KCET 2025
MCQ (Single Correct Answer)
+1
-0
The change in hybridization (if any) of the 'Al' atom in the following reaction is $\mathrm{AlCl}_3+\mathrm{Cl}^{-} \rightarrow \mathrm{AlCl}_4^{-}$
A
No change in the hybridization state
B
$s p^2$ to $s p^3$
C
$s p^3$ to $s p^3 d$
D
$\mathrm{sp}^3$ to $\mathrm{sp}^2$
4
KCET 2024
MCQ (Single Correct Answer)
+1
-0

A pair of isoelectronic species having bond order of one is

A
$\mathrm{N}_2, \mathrm{CO}$
B
$\mathrm{N}_2, \mathrm{NO}^{+}$
C
$\mathrm{O}_2^{2-}, \mathrm{F}_2$
D
$\mathrm{CO}, \mathrm{NO}^{+}$
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Questions Asked from MCQ (Single Correct Answer)
KCET 2025 (3) KCET 2024 (1) KCET 2023 (2) KCET 2022 (1) KCET 2021 (3) KCET 2020 (5) KCET 2019 (2) KCET 2018 (3) KCET 2017 (3)
KCET Subjects
Physics
Mechanics
Units & Measurement and DimensionsVector AlgebraMotion in a Straight LineMotion in a PlaneLaws of MotionCircular MotionWork, Energy and PowerCenter of Mass and CollisionRotational MotionGravitationSimple Harmonic MotionFluid MechanicsElasticityWavesHeat and Thermodynamics
Optics
Ray OpticsWave Optics
Electromagnetism
ElectrostaticsCurrent ElectricityCapacitorMoving Charges and MagnetismMagnetism and MatterElectromagnetic InductionAlternating CurrentElectromagnetic Waves
Modern Physics
Atoms and NucleiDual Nature of RadiationSemiconductor Devices and Logic GatesCommunication Systems
Chemistry
Physical Chemistry
Some Basic Concepts of ChemistryAtomic StructureStates of MatterThermodynamicsChemical EquilibriumIonic EquilibriumLiquid SolutionRedox ReactionsSurface ChemistrySolid StateElectrochemistryChemical KineticsNuclear Chemistry
Inorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureMetallurgyHydrogen and It's Compoundss-Block Elementsp-Block Elementsd and f Block ElementsCoordination CompoundsSalt AnalysisEnvironmental Chemistry
Organic Chemistry
IUPAC NomenclaturesGeneral Organic ChemistryIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehyde and KetoneCarboxylic Acids and Its DerivativesCompounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday Life
Mathematics
Algebra
LogarithmsQuadratic EquationsSequences and SeriesPermutations and CombinationsProbabilitySets and RelationsBinomial TheoremVector AlgebraThree Dimensional GeometryMatrices and DeterminantsStatisticsMathematical ReasoningLinear ProgrammingComplex Numbers
Trigonometry
Trigonometric Ratios & IdentitiesTrigonometric EquationsInverse Trigonometric FunctionsProperties of Triangles
Calculus
FunctionsLimits, Continuity and DifferentiabilityDifferentiationApplication of DerivativesIndefinite IntegrationDefinite IntegrationArea Under The CurvesDifferential Equations
Coordinate Geometry
Straight Lines and Pair of Straight LinesCircleParabolaEllipseHyperbola