Match the following :
Oxide Nature
-(a) CO (i) Basic
(b) BaO (ii) Neutral
(c) ``\ce{Al2O3}`` (iii) Acidic
(d) ``\ce{Cl2O7}`` (iv) Amphoteric
Which of the following is correct option ?
-(a) (b) (c) (d)
(1) (i) (ii) (iii) (iv)
(2) (ii) (i) (iv) (iii)
(3) (iii) (iv) (i) (ii)
(4) (iv) (iii) (ii) (i)