CBSE 12th Chemistry Delhi Set 1 - 2024

MCQ (Single Correct Answer)

-0

Auto-oxidation of chloroform in air and light produces a poisonous gas known as

Phosphine

Mustard gas

Phosgene

Tear gas

CBSE 12th Chemistry Delhi Set 1 - 2024

MCQ (Single Correct Answer)

-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

I, II, III

I, II, III, IV

II, III, IV

I, III, IV

CBSE 12th Chemistry Delhi Set 1 - 2024

MCQ (Single Correct Answer)

-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.

Both Assertion (A) and Reason (R) are true and Reason ( $R$ ) is the correct explanation of the Assertion (A).

Both Assertion (A) and Reason (R) are true, but Reason ( $R$ ) is not the correct explanation of Assertion (A).

Assertion (A) is true, but Reason (R) is false.

Assertion (A) is false, but Reason (R) is true.

CBSE 12th Chemistry Delhi Set 1 - 2023

MCQ (Single Correct Answer)

-0

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

$$\mathrm{CH}_3 \mathrm{C}^* \mathrm{HBrCH}_3$$

$$\mathrm{CH}_3 \mathrm{C}^* \mathrm{HClCH} \mathrm{CH}_2 \mathrm{Br}$$

$$\mathrm{HOCHC}^* \mathrm{H}(\mathrm{OH}) \mathrm{CH}_2 \mathrm{OH}$$

$$\mathrm{CH}_3 \mathrm{C}^* \mathrm{Br}_2 \mathrm{CH}_3$$

Class 12 Subjects

Physics

Electromagnetism

Electrostatics Current Electricity Capacitor Magnetic Effect of Current Magnetic Properties of Matter Electromagnetic Induction Alternating Current Electromagnetic Waves

Optics

Geometrical Optics Wave Optics

Modern Physics

Atoms and Nuclei Dual Nature of Radiation Semiconductor

Chemistry

Physical Chemistry

Solutions Electrochemistry Chemical Kinetics

Inorganic Chemistry

d and f Block Elements Coordination Compounds

Organic Chemistry

Haloalkanes and Haloarenes Alcohols, Phenols and Ethers Aldehydes, Ketones and Carboxylic Acids Amines Biomolecules

Mathematics

Relations and Functions

Relations and Functions Inverse Trigonometric Function

Calculus

Continuity and Differentiability Application of Derivatives Indefinite Integration Definite Integration Application of Integration Differential Equations

Algebra

Matrices Determinants Probability Vector Algebra Three Dimensional Geometry