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In the propanoate ion
  • a)
    both the carbon – oxygen bonds are the same length.
  • b)
    the carbon atom bears a – 1 charge.
  • c)
    one of the oxygen atoms bears a – 1 charge
  • d)
    the carbon – oxygen double bond is shorter.
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In the propanoate iona)both the carbon oxygen bonds are the same leng...
This is because of Resonance.
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Most Upvoted Answer
In the propanoate iona)both the carbon oxygen bonds are the same leng...
Propanoate is CH3CH2COO- so in this COO- will be in equivelent resonance so the bond length of C-O will he same ......
And the Charge is in whole compound specifically not on C or O ...... So Option A is the correct one
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In the propanoate iona)both the carbon oxygen bonds are the same leng...
The Propanoate Ion

The propanoate ion, also known as propionate, is a negatively charged species derived from propanoic acid. It has the chemical formula C3H5O2-. In this ion, the carbon atom is attached to three hydrogen atoms and one oxygen atom. The oxygen atom is further bonded to another oxygen atom.

Analysis of the Given Statements:

a) Both the carbon-oxygen bonds are the same length.
This statement is true. In the propanoate ion, there are two carbon-oxygen bonds. These bonds are formed by the sharing of electrons between carbon and oxygen atoms. Since both bonds involve the same atoms, they have the same bond length. This is because carbon and oxygen have similar electronegativities, resulting in a similar pull on the shared electrons.

b) The carbon atom bears a 1 charge.
This statement is false. In the propanoate ion, the carbon atom does not bear a charge. It is neutral and has a formal oxidation state of 0. The negative charge in the ion is localized on the oxygen atom.

c) One of the oxygen atoms bears a 1 charge.
This statement is false. In the propanoate ion, one of the oxygen atoms does not bear a charge. It is also neutral and has a formal oxidation state of 0. The negative charge in the ion is localized on the other oxygen atom.

d) The carbon-oxygen double bond is shorter.
This statement is false. In the propanoate ion, there is no carbon-oxygen double bond. The carbon and oxygen atoms are connected by a single bond. The length of a double bond is typically shorter than a single bond due to the increased bond strength resulting from the sharing of more electrons. However, in this case, there is no double bond present.

Conclusion:

Based on the analysis, the correct answer is option 'A' - Both the carbon-oxygen bonds are the same length. This is because the propanoate ion contains two identical carbon-oxygen bonds, which have the same bond length due to similar electronegativities of carbon and oxygen.
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In the propanoate iona)both the carbon oxygen bonds are the same length.b)the carbon atom bears a 1 charge.c)one of the oxygen atoms bears a 1 charged)the carbon oxygen double bond is shorter.Correct answer is option 'A'. Can you explain this answer?
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