pBlock ElementsII - Result Question 97

####93. Write the balanced chemical equation for the following reactions.

(i) Aqueous solution of sodium nitrate is heated with zinc dust and caustic soda solution.

(ii) Sodium iodate is added to a solution of sodium bisulphite

(1990, 2M)

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Solution:

  1. (i) NaNO2+Zn+NaOH3Na2ZnO2+NH3+H2O

(ii) 2NaIO3+5NaHSO33NaHSO4+2Na2SO4



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