Q.
Statement I Boron has a smaller first ionisation enthalpy than beryllium.Statement Il 2p-electron of boron is more shielded from the nucleus by the inner core of electrons.
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
a
Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I.
b
Both Statement I and Statement II are correct but Statement II is not correct explanation of Statement I
c
Statement I is correct but Statement II is incorrect
d
Statement I is incorrect but Statement II is correct.
answer is A.
(Unlock A.I Detailed Solution for FREE)
Detailed Solution
Boron has a smaller first ionisation enthalpy than beryllium because the 2p-electron of boron is more shielded from the nucleus by the inner core of electrons than the 2s-electrons of beryllium.
Watch 3-min video & get full concept clarity