1
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
Which of the following has the maximum number of unpaired electrons?
A
Mg2+
B
Ti3+
C
V3+
D
Fe2+
2
IIT-JEE 1995 Screening
MCQ (Single Correct Answer)
+1
-0.25
Which has most stable +2 oxidation state?
A
Sn
B
Pb
C
Fe
D
Ag
3
IIT-JEE 1992
MCQ (Single Correct Answer)
+1
-0.25
The statement that is not correct for the periodic classification of element is
A
The properties of elements are the periodic functions of their atomic numbers
B
Non-metallic elements are lesser in number than metallic elements
C
The first ionisation energies of elements along a period do not vary in a regular manner with increase in atomic number
D
For transition elements the d-subshells are filled with electrons monotonically with increase in atomic number.
4
IIT-JEE 1990
MCQ (Single Correct Answer)
+1
-0.25
Amongst the following elements (whose electronic configuration are given below), the one having the highest ionization energy is:
A
[Ne] 3s23p1
B
[Ne] 3s23p3
C
[Ne] 3s23p2
D
[Ne] 3d104s24p3
JEE Advanced Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12