One mole of the complex ` CoCl_(3) . 6 H_(2) O` on reaction with excess of ` AgNO_(3) ` agives two moles of white precipitate thus , complex is

Question

One mole of the complex ` CoCl_(3) . 6 H_(2) O` on reaction with excess of ` AgNO_(3) ` agives two moles of white precipitate thus , complex is

One mole of the complex ` CoCl_(3) . 6 H_(2) O` on reaction with excess of ` AgNO_(3) ` agives two moles of white precipitate thus , complex is
A. ` [Co (H_(2) O) _(6) ]Cl_(3) `
B. `[Co (H_(2) O)_(5) Cl ]Cl_(2) .H_(2) O `
C. `[Co (H_(2) O) _(4)Cl_(2) ]Cl.2H_(2) O`
D. `[Co(H_(2)O)_(3) Cl_(3)].3H_(2)O`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`CoCl_(3) .6H_(2) O +AgNO_(3)to 2"mole of " AgCl`
thus two Cl-atoms are outside the coordination sphere
`C.N " of" Co=6`
thus , `[Co(H_(2)O)_(5)Cl]Cl_(2).H_(2)O.`

4 views Answered 2023-02-05 15:29