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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

In how many of the following is the oxidation state of the transition metal greater than ? Mn_2O_7,\ V_2O_3,\ TiO_2,\ CrCl_2,\ Ag_2S,\ Hg_2Cl_2,\ MnO_2

Answer: 3

Solution

Oxidation states: (Mn, ), (V, ), (Ti, ), (Cr, ), (Ag,

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Question ID VK-147996