Match list I with list II and select the correct answer using the codes given below.
| List - I | List - II | ||
| (a) |
Formalin
|
(1) |
Trimer of HCHO
|
| (b) |
trioxane
|
(2) |
Compounds of the general formula,
R2C = C = O
|
| (c) |
Ketene
|
(3) |
A tetramer of acetaldehyde
|
| (d) |
Metaldehyde
|
(4) |
40% aqueous solution of HCHO |
1
(a) - (1), (b) - (4), (c) - (2), (d) - (3)
2
(a) - (4), (b) - (1), (c) - (2), (d) - (3)
3
(a) - (4), (b) - (1), (c) - (3), (d) - (2)
4
(a) - (1), (b) - (4), (c) - (3), (d) - (2)