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Q 3183001847.     Assign a reason for each of the following
(i) First ionization enthalpy of boron `(Z = 5)`
is slightly less than that of beryllium
`(Z = 4)`.
(ii) Electron gain enthalpy of F is less
negative than chlorine `(Cl)`.
(iii) The size of an anion is always larger than
that of parent atom.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)