JEE Main 2025 (Online) 28th January Evening Shift | Hydrocarbons Question 31 | Chemistry

1

JEE Main 2025 (Online) 28th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

Identify product [A], [B] and [C] in the following reaction sequence.

$\mathrm{CH}_3-\mathrm{C} \equiv \mathrm{CH} \xrightarrow[\mathrm{H}_2]{\mathrm{Pd} / \mathrm{C}}[\mathrm{A}] \xrightarrow[\text { (ii) } \mathrm{Zn}, \mathrm{H}_2 \mathrm{O}]{\text { (i) } \mathrm{O}_3}[\mathrm{~B}]+[\mathrm{C}]$

A

[A]: CH₃—CH=CH₂, [B]: CH₃CHO, [C]: CH₃CH₂OH

B

[A]: CH₃—CH=CH₂, [B]: CH₃CHO, [C]: HCHO

C

[A]: CH₃CH₂CH₃, [B]: CH₃CHO, [C]: HCHO

D

JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Hydrocarbons Question 33 English Option 4

2

JEE Main 2025 (Online) 24th January Morning Shift

MCQ (Single Correct Answer)

+4

-1

The product $(\mathrm{A})$ formed in the following reaction sequence is

JEE Main 2025 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 27 English

A

B

JEE Main 2025 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 27 English Option 2

C

JEE Main 2025 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 27 English Option 3

D

JEE Main 2025 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 27 English Option 4

3

JEE Main 2025 (Online) 23rd January Evening Shift

MCQ (Single Correct Answer)

+4

-1

Match List - I with List - II

	List - I (Isomers of $\mathrm{C}_{10} \mathrm{H}_{14}$ )		List - II (Ozonolysis product)
(A)		(I)
(B)		(II)
(C)		(III)
(D)		(IV)

Choose the correct answer from the options given below :

A

(A) $-(\mathrm{III}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-$ (II)

B

$(\mathrm{A})-(\mathrm{I}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{III}),(\mathrm{D})-(\mathrm{II})$

C

$(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{II}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})$

D

$(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{II}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})$

4

JEE Main 2025 (Online) 23rd January Morning Shift

MCQ (Single Correct Answer)

+4

-1

Match the List - I with List - II

	List - I Name reaction		List - II Product obtainable
(A)	Swarts reaction	(I)	Ethyl benzene
(B)	Sandmeyer's reaction	(II)	Ethyl iodide
(C)	Wurtz Fittig reaction	(III)	Cyanobenzene
(D)	Finkelstein reaction	(IV)	Ethyl fluoride

Choose the correct answer from the options given below:

A

A-II, B-III, C-I, D-IV

B

A-II, B-I, C-III, D-IV

C

A-IV, B-I, C-III, D-II

D

A-IV, B-III, C-I, D-II

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