Statement I: Analgesics are neurologically active drugs.Statement II: They attack the nerve centre.
Statement - I: Cl− and Ca2+ are isoelectronic species. Statement - II: Isoelectronic species should have same charges.
Statement - I: Mg2+ and Al3+ are isoelectronic but ionic radius Al3+ is less than that of Mg2+. Statement - II: The effective nuclear charge on the outer-shell electrons in Al3+ is more than that in Mg2+
Statement - I: Cd is a transition element. Statement - II: Cd and Cd2+ both have completely filled d− orbitals in their ground state.