1

IIT-JEE 1985

Subjective
Arrange the following in:
Increasing first ionisation potential :
Mg, Al, Si, Na

Answer

Na < Al < Mg < Si
2

IIT-JEE 1985

Subjective
Arrange the following in:
Decreasing ionic size:
Mg2+, O2-, Na+, F-

Answer

O2- > F- > Na+ > Mg2+

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