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 (*) ?

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

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

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

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

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