IIT-JEE 1996 | Periodic Table & Periodicity Question 9 | Chemistry

IIT-JEE 1996

MCQ (Single Correct Answer)

-0.25

Which of the following has the maximum number of unpaired electrons?

Mg²⁺

Ti³⁺

V³⁺

Fe²⁺

IIT-JEE 1995 Screening

MCQ (Single Correct Answer)

-0.25

Which has most stable +2 oxidation state?

IIT-JEE 1992

MCQ (Single Correct Answer)

-0.25

The statement that is not correct for the periodic classification of element is

The properties of elements are the periodic functions of their atomic numbers

Non-metallic elements are lesser in number than metallic elements

The first ionisation energies of elements along a period do not vary in a regular manner with increase in atomic number

For transition elements the d-subshells are filled with electrons monotonically with increase in atomic number.

IIT-JEE 1990

MCQ (Single Correct Answer)

-0.25

Amongst the following elements (whose electronic configuration are given below), the one having the highest ionization energy is:

[Ne] 3s²3p¹

[Ne] 3s²3p³

[Ne] 3s²3p²

[Ne] 3d¹⁰4s²4p³

JEE Advanced Subjects

Chemistry

Physical Chemistry

Inorganic Chemistry

Organic Chemistry

Mathematics

Algebra

Trigonometry

Coordinate Geometry

Calculus