ASSERTION (A): Boron has a smaller first ionization enthalpy then beryllium.
REASON (R): The penetration of a 2s electron to the nucleus is more than the 2p electron hence 2p electron is more shielded by the inner core of electrons than the 2s electrons.
(a) assertion and reason are both correct statements but reason is not correct explanation for assertion.
(b) assertion is correct statement and reason is wrong statement.
(c) assertion and reason are both correct statements and reason is correct explanation of assertion.
(d) assertion and reason both are wrong statement.