EAMCET Engineering 2001 Solved Paper

Section: Chemistry

Question : 54 of 200

Marks: +1, -0

The electronic configuration of elements A,B and C are [He] 2s1, [Ne] 3s1 and [Ar] 4s1 respectively, which one of the following order is correct for the first ionization potentials (in kJ‌mol−1 ) of A,B and C ?

A>B>C
C>B>A
B>C>A
C>A>B

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