Principles Related to Practical Chemistry: JEE Main 2025 Chemistry question

Choose the correct tests with respective observations. (A) $\mathrm{CuSO_4}$ (acidified with acetic acid) + $\mathrm{K_4[Fe(CN)_6]} \rightarrow$ Chocolate brown precipitate. (B) $\mathrm{FeCl_3 + K_4[Fe(CN)_6]} \rightarrow$ Prussian blue precipitate. (C) $\mathrm{ZnCl_2 + K_4[Fe(CN)_6]}$, neutralised with $\mathrm{NH_4OH} \rightarrow$ White or bluish white precipitate. (D) $\mathrm{MgCl_2 + K_4[Fe(CN)_6]} \rightarrow$ Blue precipitate. (E) $\mathrm{BaCl_2 + K_4[Fe(CN)_6]}$, neutralised with NaOH $\rightarrow$ White precipitate. Choose the correct answer from the options given below :