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Question : 23
Total: 37
Write the balanced chemical equations involved in the preparation of KMnO 4 from pyrolusite ore ( MnO 2 ) .
OR
Write the balanced ionic equations showing the oxidising action of acidified dichromate( Cr 2 O 7 2 − ) solution with
(i) Iron (II) ion and (ii) Tin (II) ion.
OR
Write the balanced ionic equations showing the oxidising action of acidified dichromate
(i) Iron (II) ion and (ii) Tin (II) ion.
Solution:
OR
(i)
(ii)
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