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The addition of dilute NaOH to Cr^3+ salt solution will give : 

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in Chemistry by (37.8k points)

The addition of dilute NaOH to Cr3+ salt solution will give : 

(1) a solution of [Cr(OH)4] – 

(2) precipitate of Cr2O3 (H2O)n 

(3) precipitate of [Cr(OH)6]3–

(4) precipitate of Cr(OH)3

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1 Answer

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by (35.6k points)

Answer is (2) precipitate of Cr2O3 (H2O)n

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