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AIEEE 2003 Chemistry Solved Paper
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© examsnet.com
Question : 30
Total: 76
In the anion
HCOO
−
the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?
The
C
=
O
bond is weaker than the
C
−
O
bond
The anion
HCOO
- has two resonating structures
The anion is obtained by removal of a proton from the acid molecule
Electronic orbitals of carbon atom are hybridised
Validate
Solution:
The anion is
HCOO
−
exists in following resonating structures
And actual structure will be,
Bond order of this anion
=
3
2
=
1.5
.
© examsnet.com
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