Which represents the correct order of first ionisation potential of third period elements?
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
Na > Mg>Al > Si
b
Na < Mg < At < Si
c
Na < Si
d
Na < Al < Mg < Si
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Generally, ionisation potential increases, as we move from left to right in a period. However the ionisation Potential of II group elements is higher than that of the III A group elements. This is because of the fully-filled s-orbitals in II group elements.Hence, the correct order of ionisation potential is