The reaction which proceeds in the forward direction is.

1.	The reaction which proceeds in the forward direction is.
Answer» `SnCl_4+Hg_2Cl_2rarrSnCl_2+2HgCl_2` `2Cul+I_+4K^(+)rarr 2Cu^(2+)+4Kl` `NH_3+H_2O+NaClrarr NH_4Cl+NaOH` `Fe_2O_3+6HClrarr2FeCl_3+3H_2O` Solution :Hydrated FERRIC chloride `(FeCl_3-6H_2O)` is obtained by the action of hydrochloride acid on ferric oxide. (1) Stannous chloride is a powerful reducing agent. When an excess of stannous chloride solution is added to MERCURIC chloride solution, a white precipitate of mercurous chloride appears which slowly turns grey as further reduction to mercury occurs: `SnCl_2+2HgCl_2rarrHg_2Cl_2darr+SnCl_4` `Hg_2Cl_2+SnCl_2rarr2Hg_2darr+SnCl_4` (2) Cuprous iodie is precipitated as a BUFF solid when POTASSIUM iodide solution is added to the solution of cupric ions (e.g. copper sulphate solution): `2CuSO_4+2Klrarr2CuIdarr+I_2+2K_2SO_4` This reaction is used for estimating copper salts volumetrically by titrating the liberated iodine with standard SODIUM thiosulphate solution. (3) `NaOH` is a stronger base than `NH_3`, and thus, diplaces it from its salt: `NH_4Cl+NaOHrarrNaCl+underset(NH_3+H_2O)underset(darr)(NH_4OH)`

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