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D and F Block Elements question

2021 · 27 Aug · Shift 2 · Q1
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D and F Block Elements question

2021 · 27 Aug · Shift 2 · Q1

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
The addition of dilute NaOHNaOHNaOH to Cr3+Cr^{3+}Cr3+ salt solution will give :
  1. A
    a solution of [Cr(OH)4][Cr(OH)_4][Cr(OH)4​] −-−
  2. B
    precipitate of Cr2O3(H2O)nCr_2O_3(H_2O)_nCr2​O3​(H2​O)n​
  3. C
    precipitate of [Cr(OH)6][Cr(OH)_6][Cr(OH)6​]3 −-−
  4. D
    precipitate of Cr(OH)3Cr(OH)_3Cr(OH)3​
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