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Write balanced equation for the followin...

Write balanced equation for the following:
(i). `NaCl` is heated with sulphuric acid in the presence of `MnO_2`.
(ii). Chlorine gas is passed into a solution of NaI in water.

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(i). `4NaCl+MnO_2+4H_2SO_4toMnCl_2+4NaHSO_4+Cl_2+2H_2O`
(ii). `Cl_2+2NaIto2NaCl+I_2`
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