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1
CBSE 12th Chemistry Delhi Set 1 - 2024
MCQ (Single Correct Answer)
+1
-0

In which of the following molecules, C atom marked with asterisk is chiral?

CBSE 12th Chemistry Delhi Set 1 - 2024 Chemistry - Haloalkanes and Haloarenes Question 2 English

A
I, II, III
B
I, II, III, IV
C
II, III, IV
D
I, III, IV
2
CBSE 12th Chemistry Delhi Set 1 - 2024
MCQ (Single Correct Answer)
+1
-0

Assertion (A): Inversion of configuration is observed in $\mathrm{S}_{\mathrm{N}} 2$ reaction.

Reason (R): The reaction proceeds with the formation of carbocation.

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.
3
CBSE 12th Chemistry Delhi Set 1 - 2023
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules has a chiral centre correctly labelled with an asterisk (*) ?

A
$$\mathrm{CH}_3 \mathrm{C}^* \mathrm{HBrCH}_3$$
B
$$\mathrm{CH}_3 \mathrm{C}^* \mathrm{HClCH} \mathrm{CH}_2 \mathrm{Br}$$
C
$$\mathrm{HOCHC}^* \mathrm{H}(\mathrm{OH}) \mathrm{CH}_2 \mathrm{OH}$$
D
$$\mathrm{CH}_3 \mathrm{C}^* \mathrm{Br}_2 \mathrm{CH}_3$$
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CBSE 12th Chemistry Delhi Set 1 - 2024 (4) 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