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Chemical Kinetics
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d and f Block Elements
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Coordination Compounds
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Haloalkanes and Haloarenes
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Alcohols, Phenols and Ethers
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Aldehydes, Ketones and Carboxylic Acids
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1
CBSE 12th Chemistry Delhi Set 1 - 2024
MCQ (Single Correct Answer)
+1
-0

Assertion (A): Zr and Hf are of almost similar atomic radii.

Reason (R): This is due to lanthanoid contraction.

A
Both Assertion (A) and Reason (R) are true and Reason ( $R$ ) is the correct explanation of the Assertion (A).
B
Both Assertion (A) and Reason (R) are true, but Reason ( $R$ ) is not the correct explanation of Assertion (A).
C
Assertion (A) is true, but Reason (R) is false.
D
Assertion (A) is false, but Reason (R) is true.
2
CBSE 12th Chemistry Delhi Set 1 - 2023
MCQ (Single Correct Answer)
+1
-0

Which property of transition metals enables them to behave as catalysts?

A
High melting point
B
High ionisation enthalpy
C
Alloy formation
D
Variable oxidation states
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Questions Asked from Marks 1
CBSE 12th Chemistry Delhi Set 1 - 2024 (2) CBSE 12th Chemistry Delhi Set 1 - 2023 (1)
Class 12 Subjects
Physics
Electromagnetism
ElectrostaticsCurrent ElectricityCapacitorMagnetic Effect of CurrentMagnetic Properties of MatterElectromagnetic InductionAlternating CurrentElectromagnetic Waves
Optics
Geometrical OpticsWave Optics
Modern Physics
Atoms and NucleiDual Nature of RadiationSemiconductor
Chemistry
Physical Chemistry
SolutionsElectrochemistryChemical Kinetics
Inorganic Chemistry
d and f Block ElementsCoordination Compounds
Organic Chemistry
Haloalkanes and HaloarenesAlcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAminesBiomolecules
Mathematics
Relations and Functions
Relations and FunctionsInverse Trigonometric Function
Calculus
Continuity and DifferentiabilityApplication of DerivativesIndefinite IntegrationDefinite IntegrationApplication of IntegrationDifferential Equations
Algebra
MatricesDeterminantsProbabilityVector AlgebraThree Dimensional Geometry