A metal chloride original solution (i.e. `O.S`) on mixing with `K_(2)CrO_(4)` solution give a yellow precipitate soluble in aqueous sodium hydroxide.T

Question

A metal chloride original solution (i.e. `O.S`) on mixing with `K_(2)CrO_(4)` solution give a yellow precipitate soluble in aqueous sodium hydroxide.T

A metal chloride original solution (i.e. `O.S`) on mixing with `K_(2)CrO_(4)` solution give a yellow precipitate soluble in aqueous sodium hydroxide.The metal may be:
A. mercury
B. iron
C. silver
D. lead

Monjur Alahi

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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 - D
`Pb^(2+)+CrO_(4)^(2-)toPbCrO_(4)darr("yellow"),PbCrO_(4)darr+4OH^(-)to[Pb(OH)_(4)]^(2-)+CrO_(4)^(2-)`

5 views Answered 2023-02-05 15:29