1

IIT-JEE 1991

Subjective
Arrange of the following in :
Arrange the following ions in order of their increasing radii:
Li+, Mg2+, K+, Al3+

Answer

Al3+ < Mg2+ < Li+ < K+
2

IIT-JEE 1991

Subjective
Arrange of the following in :
Increasing order of basic character
MgO, SrO, K2O, NiO, Cs2O

Answer

NiO < MgO < SrO < K2O < Cs2O
3

IIT-JEE 1991

Subjective
Arrange of the following in :
Increasing order of ionic size:
N3-, Na+, F-, O2-, Mg2+

Answer

Mg2+ < Na+ < F- < O2- < N3-
4

IIT-JEE 1986

Subjective
Arrange the following in:
Increasing size:
Cl-, S2-, Ca2+, Ar

Answer

Ca2+ < Ar < Cl- < S2-

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