Solution of alkali metal cyanide containing freshly prepared ion `(II)` sulphate solution and dilute `H_(2)SO_(4)` on exposure to air produces prussia

Question

Solution of alkali metal cyanide containing freshly prepared ion `(II)` sulphate solution and dilute `H_(2)SO_(4)` on exposure to air produces prussia

Solution of alkali metal cyanide containing freshly prepared ion `(II)` sulphate solution and dilute `H_(2)SO_(4)` on exposure to air produces prussian blue precipitate

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 - 1
`Fe^(2+)+2 CN^(-) toFe(CN)_(2)darr,Fe(CN)_(2)darr+4CN^(-)to[Fe(CN)_(6)]^(4-)`
`4Fe^(2+)+O_(2)+4H^(+)to4Fe^(3+)+2H_(2)O,Fe^(3)+[Fe(CN)_(6)]^(4-)toFe_(4)[Fe(CN)_(6)]_(3)darr`

4 views Answered 2023-02-05 15:29