Both `Co^(3+) and Pt^(4+)` have a coordination number of six. Which of the following pair of complexes will show approximately the same electrical con

Question

Both `Co^(3+) and Pt^(4+)` have a coordination number of six. Which of the following pair of complexes will show approximately the same electrical con

Both `Co^(3+) and Pt^(4+)` have a coordination number of six. Which of the following pair of complexes will show approximately the same electrical conductance for their `0.001` M aqueous solution ?
A. `CoCl_(2) . 4NH_(3) and Pt Cl_(4) .4NH_(3) `
B. `CoCl_(3) . 3NH_(3) and Pt Cl_(4) .5NH_(3) `
C. `CoCl_(3) . 6NH_(3) and Pt Cl_(4) .5NH_(3) `
D. `CoCl_(3) . 6NH_(3) and Pt Cl_(4) .3NH_(3) `

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

Correct Answer - C
`Co^(3+) and Pt^(4+) ` have 6 coordination number
`CoCl_(3) .6NH_(3) and Pt Cl_(4).5NH_(3)`
`[Co (NH_(3))_(6) ]Cl overset("in solution ") to [Co (NH_(3))_(6)]^(3+0+3Cl^(-)`
`[Pt Cl (NH_(3))_(5)]Cl_(3) overset("in solution ")to [PtCl (NH_(3))_(5)]^(3+)+3Cl^(-)`
number of ionic species are same in the solution in both complexes , therefore their solutions will show same conductance .