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underset((I))(CH2)=Oharrunderset((II))("...

`underset((I))(CH_2)=Oharrunderset((II))(""^(o+)CH_2)-O^(Theta)harrunderset((III))(""^(Theta)CH_2)-O^(o+)`
Which of these structures is practically not a valid canonical structure for formaldehyde ?

A

A) I

B

B) II

C

C) III

D

D) None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`overset(Theta)(CH_2)-underset(..)overset(o+)(O):` is highly unstable. (due to incomplete octet of oxygen).
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