Q.
For the second period elements the correct increasing order of first ionization enthalpy is
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
Li
b
Li
c
Li
d
Li
answer is C.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
As we move across a period, ionisation enthalpy increases, because of increased nuclear charge and decrease in atomic radii. However, abnormal values are observed for Be, N and Ne due to extra stability of half filled and fully filled orbitals. Thus, the actual order is, Li
Watch 3-min video & get full concept clarity
Get Expert Academic Guidance – Connect with a Counselor Today!

Not sure what to do in the future? Don’t worry! We have a FREE career guidance session just for you!