Transition and InnerTransition Elements - Result Question 69

####69. Write the balanced chemical equations for the following reactions.

(i) A mixture of potassium dichromate and sodium chloride is heated with concentrated H2SO4.

(ii) Potassium permanganate is added to a hot solution of manganous sulphate.

(1990, 2M)

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Solution:

  1. (i) K2Cr2O7+4NaCl+6H2SO42CrO2Cl2

+4NaHSO4+3H2O+2KHSO4

(ii) 2KMnO4+3MnSO4+2H2O5MnO2

+K2SO4+2H2SO4



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