JEE Main 2025 Jan 23 Shift 1, Chemistry Q1: Classification Of Elements
JEE Main2025Jan 23, Shift 1Chemistry
Q.
The element that does not belong to the same period of the remaining elements (modern periodic table) is:
- A
Palladium
- B
Iridium
- C
Osmium
- D
Platinum
Solution
Locate each element on the periodic table.
Palladium (Pd, Z = 46) sits in the 5th period.
Iridium (Ir, Z = 77), Osmium (Os, Z = 76), and Platinum (Pt, Z = 78) all lie in the 6th period.
Palladium is the odd one out.
Concept behind this question
Classification Of ElementsNotes, formulas and examples →More previous year questions on Classification Of Elements
Practice more Chemistry
Concept-wise practice with instant solutions on Fundamenthol.
Start practicing →