In the structure of ClF₃, the number of lone pairs of electrons on central atom 'Cl' is:

1. 1

2. 2

3. 3

4. 4

Match the interhalogen compounds of Column I with the geometry in Column II and assign the correct code.

Column I             Column II
A. XX'                 (i) T-shape
B. XX'₃               (ii) Pentagonal bipyramidal
C. XX'₅               (iii) Linear
D. XX'₇                (iv) Square-pyramidal
                           (v) Tetrahedral

The correct match among the following is -
       A   B    C    D
1.   (iii) (iv) (i) (ii)

2.   (iii) (i) (iv) (ii)

3.   (v) (iv) (iii) (ii)

4.   (iv) (iii) (ii) (i)