🛠️ JEE🧪 Chemistry

The addition of dilute NaOH to \({\mathrm{Cr}}^{3+}\) salt solution will give: [JEE Main 2021, 27 Aug (Shift 2)]

Q1

The addition of dilute NaOH to \({\mathrm{Cr}}^{3+}\) salt solution will give:

[JEE Main 2021, 27 Aug (Shift 2)]

a

A solution of \({\left[\mathrm{Cr}(\mathrm{OH}{)}_{4}\right]}^{-}\)

b

precipitate of \({\mathrm{Cr}}_{2}{\mathrm{O}}_{3}{\left({\mathrm{H}}_{2}\mathrm{O}\right)}_{n}\)

c

precipitate of \({\left[\mathrm{Cr}(\mathrm{OH}{)}_{6}\right]}^{3-}\)

d

precipitate of \(\mathrm{Cr}{(\mathrm{OH})}_{3}\)

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