The correct match of contents in Column I with those in Column II is

Options

A. 1)`A-iii,B-i,C-ii,D-iv`
B. 2)`A-iv,B-iii,C-ii,D-i`
C. 3)`A-ii,B-iv,C-i,D-iii`
D. 4) A-iv,B-i,C-ii,D-iii

Explanation

(i) For noble gases (eg, He), ionisation energy is highest due to their completely filled electronic configuration .
(ii) Generally electron affinity increases in a period (from IA to VII A group ) and decreases in a group but electron affility is highest for chlorine (Cl) (due to smaller size and high electron density of fluorine).
(iii) The ionisation energy is lowest for Li , so it can lose electrons very easily , thus it behaves as a strongest reducing agent .
(iv) Electropositive character generally decreases in period (from left to right ) and increases in a group (on moving down), thus Ca is the most electropositive element among the given . ,br> Hence , on the basis of above facts , the correct matches are
(A)-iv (B) -i (C ) -ii (D) -iii