JEE Main 2025 (Online) 22nd January Evening Shift | Periodic Table & Periodicity Question 26 | Chemistry

1

JEE Main 2025 (Online) 22nd January Evening Shift

MCQ (Single Correct Answer)

+4

-1

Given below are two statements :

Statement (I) : An element in the extreme left of the periodic table forms acidic oxides.

Statement (II) : Acid is formed during the reaction between water and oxide of a reactive element present in the extreme right of the periodic table.

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

A

Both Statement I and Statement II are false

B

Both Statement I and Statement II are true

C

Statement I is true but Statement II is false

D

Statement I is false but Statement II is true

2

JEE Main 2025 (Online) 22nd January Morning Shift

MCQ (Single Correct Answer)

+4

-1

Match List-I with List-II.

	List - I		List - II
(A)	$\mathrm{Al}^{3+}<\mathrm{Mg}^{2+}<\mathrm{Na}^{+}<\mathrm{F}^{-}$	(I)	Ionisation Enthalpy
(B)	$\mathrm{B}<\mathrm{C}<\mathrm{O}<\mathrm{N}$	(II)	Metallic character
(C)	$\mathrm{B}<\mathrm{Al}<\mathrm{Mg}<\mathrm{K}$	(III)	Electronegativity
(D)	$\mathrm{Si}<\mathrm{P}<\mathrm{S}<\mathrm{Cl}$	(IV)	Ionic radii

Choose the correct answer from the options given below :

A

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

B

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

C

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

D

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

3

JEE Main 2025 (Online) 22nd January Morning Shift

MCQ (Single Correct Answer)

+4

-1

Which of the following electronegativity order is incorrect?

A

$\mathrm{S}<\mathrm{Cl}<\mathrm{O}<\mathrm{F}$

B

$\mathrm{Al}<\mathrm{Si}<\mathrm{C}<\mathrm{N}$

C

$\mathrm{Al}<\mathrm{Mg}<\mathrm{B}<\mathrm{N}$

D

$\mathrm{Mg}<\mathrm{Be}<\mathrm{B}<\mathrm{N}$

4

JEE Main 2024 (Online) 9th April Evening Shift

MCQ (Single Correct Answer)

+4

-1

Match List I with List II

	LIST I (Element)		LIST II (Electronic Configuration)
A.	$$\mathrm{N}$$	I.	$$[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^5$$
B.	$$\mathrm{S}$$	II.	$$[\mathrm{Ne}] 3 \mathrm{~s}^2 3 \mathrm{p}^4$$
C.	$$\mathrm{Br}$$	III.	$$[\mathrm{He}] 2 \mathrm{~s}^2 2 \mathrm{p}^3$$
D.	$$\mathrm{Kr}$$	IV.	$$[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^6$$

Choose the correct answer from the options given below:

A

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

B

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

C

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

D

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