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underset((I))CH(3)=Oharr ""^(o+)underset...

`underset((I))CH_(3)=Oharr ""^(o+)underset((II))CH_(2)-O^(Ө)harr""^(Ө)underset((III))CH_(2)`
Which of these structues is practically not a valid canonical structure for formaldeyde?n

A

(I)

B

(II)

C

(III)

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
`overset(Ө)CH_(2)-underset(* *)overset(o+)O:` is highly unstable. (due to incomplete octet of oxygen ).
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