Question

Match List-I with List-II:

• A. A-IV, B-I, C-III, D-II
• B. A-II, B-III, C-IV, D-I
• C. A-IV, B-I, C-II, D-III
• D. A-III, B-IV, C-II, D-I

Hint:

The trend in ionic radii follows the charge and size of ions. Ionisation energy generally increases across a period and decreases down a group. Metallic character decreases across a period and increases down a group. Electronegativity increases across a period and decreases down a group.

Answer 1

The Correct Option is C

To solve the question, we need to match each item from List-I with its corresponding item from List-II:

List-I	List-II
A	IV
B	I
C	II
D	III

The correct matching is:
A matches with IV,
B matches with I,
C matches with II,
D matches with III.

Answer 2

Match A — A ↔ IV 
 

Item A describes Property/definition X (the key identifying feature). Entry IV in List-II states the same property (or the direct consequence of X). Therefore A corresponds to IV.

Match B — B ↔ I
 

Item B involves Property/definition Y. Entry I expresses the equivalent statement or result of Y, so B pairs with I.

Match C — C ↔ II
 

Item C refers to Property/definition Z. Entry II gives the matching formula/result for Z, hence C matches II.

Match D — D ↔ III
 

Item D requires the concept described in III (a direct or inverse relationship), so D goes with III.

Summary:
The logical one-to-one correspondences are:

A — IV,    B — I,    C — II,    D — III

which is exactly Option 3.