Which of the following statements are correct?
(i) Generally the radius trend and the ionisation energy trend across a period are exact opposites.
(ii) Electron affinity values of elements may be exothermic (negative ) or endothermic (position)
(iii) The first ionisation energy of sulphur is higher than that of phosphorous
`Te^(2-) gt I^(-) gt Cs^(+) gt Ba^(2+)` represents the correct decreasing order of ionic radii.

Options

A. I,ii and iv
B. ii,iii and iv
C. I,ii and iv
D. I, ii and iii

Answer

C