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The correct roder o fincreasing C-O bond...

The correct roder o fincreasing `C-O` bond lengths in `CO, CO_3^(2-)` and ` CO_2` is :

A

`CO_3^(2-) gt CO_2 gt CO`

B

`CO_2 gt CO_3^(2-) gt CO`

C

`CO gt CO_3^(2-) gt CO_2`

D

`CO gt CO_2 gt CO_3^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
Bond order for` CO,CO_2` and `CO_3^(2-)` are `3,2` and `1.33` . Higher is bond order lesser in bond length. Also `C` is `CO_3^(2-)` is ` sp^2`-hybridsed , in ` CO_2` sp-hybridized . Thus more is s-character , more is overlapping shorter will be bond .
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Knowledge Check

  • The correct order of increasing C- O bond length of CO, CO_(3) ^(-2) and CO_(2) is :-

    A
    `CO_(3)^(-2) lt CO_(2) lt CO`
    B
    `CO lt CO_(2) lt CO_(3)^(-2)`
    C
    `CO lt CO_(3)^(-2) lt CO_(2)`
    D
    `CO_(2) lt CO_(3)^(-2) lt CO`

  • What is the correct order of increasing C - O bond length of CO, CO_(3)^(2-) and CO_(2) ?

    A
    `CO_(3)^(2-) lt CO_(2) lt CO`
    B
    `CO_(2) lt CO_(3)^(2-) lt CO`
    C
    `CO lt CO_(3)^(2-) lt CO_(2)`
    D
    `CO lt CO_(2) lt CO_(3)^(2-)`

  • The correct order of increasing C - O bond length CO, CO_3^(2-) , CO_2 is :

    A
    `CO lt CO_2 lt CO_3^(2-)`
    B
    `CO_2 lt CO_3^(2-) lt CO`
    C
    `CO lt CO_3^(2-) lt CO_2`
    D
    `CO_3^(2-) lt CO_3 lt CO`

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