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Give the order of chelating effect of fo...

Give the order of chelating effect of following ligands.
(i) `C_(2)O_(4)^(2-)` (ii) EDTA (iii) dien

A

`iii gt ii gt i`

B

`i gt ii gt iii `

C

`ii gt iii gt i`

D

`igt iii gt ii `

Text Solution

Verified by Experts

The correct Answer is:
C
As number of donor atoms increases the number of bonds increases. So the chelating effect of ligands increase as oxalato, dien and EDTA has two, three and six donor atoms respectively.
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Knowledge Check

  • Give the order of chelating effect of following ligands: (P) C_(2)O_(4)^(2-)" " (Q)EDETA^(4-) (R)dien

    A
    `RgtQgtP`
    B
    `PgtQgtR`
    C
    `QgtRgtP`
    D
    `PgtRgtQ`

  • C_(2)O_(4)^(2-) is a …… ligand.

    A
    monodentate
    B
    didentate
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    tridentate
    D
    polydenate.

  • The correct order of S-S bod length is following oxyanions is : (i) S_(2)O_(4)^(2-) (ii) S_(2)O_(5)^(2-) (iii) S_(2)O_(6)^(2-)

    A
    `I gt II gt III`
    B
    `I gt III gt II`
    C
    `III gt II gt I`
    D
    `III gt I gt II`

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