IIT-JEE Exam

Which of the following represents the correct order
of increasing first ionization enthalpy for Ca, Ba, S,
Se and Ar ?
(1) Ba < Ca < Se < S < Ar
(2) Ca < Ba < S < Se < Ar
(3) Ca < S < Ba < Se < Ar
(4) S < Se < Ca < Ba < Ar

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IIT-JEE Other Question

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Each question has three alternative answers of
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