1
JEE Main 2025 (Online) 23rd January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are the atomic numbers of some group 14 elements. The atomic number of the element with lowest melting point is :

A
14
B
50
C
6
D
82
2
JEE Main 2025 (Online) 23rd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The element that does not belong to the same period of the remaining elements (modern periodic table) is:

A
Platinum
B
Osmium
C
Iridium
D
Palladium
3
JEE Main 2025 (Online) 22nd January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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
4
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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)
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