1
JEE Main 2023 (Online) 25th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The isomeric deuterated bromide with molecular formula $$\mathrm{C_4H_8DBr}$$ having two chiral carbon atoms is

A
2 - Bromo - 1 - deuterobutane
B
2 - Bromo - 1 - deutero - 2 - methylpropane
C
2 - Bromo - 3 - deuterobutane
D
2 - Bromo - 2 - deuterobutane
2
JEE Main 2023 (Online) 25th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The compound which will have the lowest rate towards nucleophilic aromatic substitution on treatment with OH$$^-$$ is

A
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English Option 1
B
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English Option 2
C
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English Option 3
D
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English Option 4
3
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Assertion A : Hydrolysis of an alkyl chloride is a slow reaction but in the presence of NaI, the rate of the hydrolysis increases.

Reason R : I$$^{-}$$ is a good nucleophile as well as a good leaving group.

In the light of the above statements, choose the correct answer from the options given below

A
A is true but R is false
B
A is false but R is true
C
Both A and R are true and R is the correct explanation of A
D
Both A and R are true but R is NOT the correct explanation of A
4
JEE Main 2022 (Online) 29th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Compound 'A' undergoes following sequence of reactions to give compound 'B'.

The correct structure and chirality of compound 'B' is

[where Et is $$\left.-\mathrm{C}_{2} \mathrm{H}_{5}\right]$$

JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Haloalkanes and Haloarenes Question 34 English

A
JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Haloalkanes and Haloarenes Question 34 English Option 1
B
JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Haloalkanes and Haloarenes Question 34 English Option 2
C
JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Haloalkanes and Haloarenes Question 34 English Option 3
D
JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Haloalkanes and Haloarenes Question 34 English Option 4
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