1
JEE Main 2024 (Online) 31st January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify A and B in the following reaction sequence.

JEE Main 2024 (Online) 31st January Evening Shift Chemistry - Haloalkanes and Haloarenes Question 21 English

A
JEE Main 2024 (Online) 31st January Evening Shift Chemistry - Haloalkanes and Haloarenes Question 21 English Option 1
B
JEE Main 2024 (Online) 31st January Evening Shift Chemistry - Haloalkanes and Haloarenes Question 21 English Option 2
C
JEE Main 2024 (Online) 31st January Evening Shift Chemistry - Haloalkanes and Haloarenes Question 21 English Option 3
D
JEE Main 2024 (Online) 31st January Evening Shift Chemistry - Haloalkanes and Haloarenes Question 21 English Option 4
2
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The product (C) in the below mentioned reaction is :

$$\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Br} \xrightarrow[\Delta]{\mathrm{KOH}_{(\text {alc) }}} \mathrm{A} \xrightarrow{\mathrm{HBr}} \mathrm{B} \xrightarrow[\mathrm{KOH}_{(\mathrm{aq})}]{\Delta} \mathrm{C}$$

A
Propan-1-ol
B
Propyne
C
Propan-2-ol
D
Propene
3
JEE Main 2024 (Online) 30th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement - I: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not have bulky substituents will follow $$\mathrm{S}_{\mathrm{N}}{ }^2$$ mechanism.

Statement - II: A secondary alkyl halide when treated with a large excess of ethanol follows $$\mathrm{S}_{\mathrm{N}}{ }^1$$ mechanism.

In the light of the above statements, choose the most appropriate from the options given below:

A
Both Statement I and Statement II are true.
B
Statement I is true but Statement II is false.
C
Both Statement I and Statement II are false.
D
Statement I is false but Statement II is true.
4
JEE Main 2024 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Example of vinylic halide is :

A
JEE Main 2024 (Online) 30th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 13 English Option 1
B
JEE Main 2024 (Online) 30th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 13 English Option 2
C
JEE Main 2024 (Online) 30th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 13 English Option 3
D
JEE Main 2024 (Online) 30th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 13 English Option 4
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