wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

For the second period elements the correct increasing order of first ionisation enthalpy is:

A
Li<Be<B<C<N<O<F<Ne
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Li<B<Be<C<N<O<F<Ne
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Li<B<Be<C<O<N<F<Ne
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Li<Be<B<C<O<N<F<Ne
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C Li<B<Be<C<O<N<F<Ne
As we go from left to right in a period ionisation energy increases. Be and N comparatively more stable valence subshell than B and O respectively.

Hence, the correct order of first ionisation enthalpy is:

Li<B<Be<C<O<N<F<Ne

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Facts About Factors and Multiples
Watch in App
Join BYJU'S Learning Program
CrossIcon