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

Correct answer: (2) precipitate of Cr2O3 (H2O)n Explanation: Cr3+ + NaOH → Cr2O3 (H2O)n

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[Solved] The addition of dilute NaOH to Cr^3+ salt solution will give

Chemistry

Last Post by Riya08 3 years ago

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10/01/2022 1:27 pm

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Shilpi98

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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

10/01/2022 1:29 pm

Riya08

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Correct answer: (2) precipitate of Cr₂O₃ (H₂O)_n

Explanation:

Cr³⁺+ NaOH → Cr₂O₃ (H₂O)_n

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