Which of the following observations/statements is/are correct?A. (a) Anhydrous `CuSO_4` becomes blue in aqueous medium due to the complex formationB. (b) `Ni(CN)_2` dissolves in KCN giving an orange-red solutionC. (c) `Fe(OH)_3` can be precipitated by adding `NH_4OH` to `K_3[Fe(CN)_6]`D. (d) None of the above

Which of the following observations/statements is/are correct?A. (a) A

1.	Which of the following observations/statements is/are correct?A. (a) Anhydrous `CuSO_4` becomes blue in aqueous medium due to the complex formationB. (b) `Ni(CN)_2` dissolves in KCN giving an orange-red solutionC. (c) `Fe(OH)_3` can be precipitated by adding `NH_4OH` to `K_3[Fe(CN)_6]`D. (d) None of the above
Answer» Correct Answer - A,B Anhydrous `CuSO_4` become blue in aqueous medium due to the complex formation. `CuSO_4+4NH_3rarr[Cu(NH_3)_4]^(+2)`

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