Match the columns:
| I | II |
| a. s block | i. Sm |
| b. p block | ii. S |
| c. d block | iii. Sb |
| d. f block | iv. Sg |
| v. Sc | |
| vi. Sr |
1
a - (ii, vi), b - (v), c - (iv, v), d - (i)
2
a - (v), b - (i, vi), c - (ii, iv), d - (iii)
3
a - (vi), b - (ii, iii), c - (iv, v), d - (i)
4
a - (vi), b - (ii, v), c - (iii, iv), d - (i)