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Manipal Entrance Test 2014 Chemistry Paper

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Question : 55

Total: 60

The complex [Fe(H2O)5‌NO]2+ is formed in thering test for nitrate ion when freshly prepared FeSO ‌4 solution is added to aqueous solution of NO3− followed by addition of Conc. H2SO4 . This complex is formed by charge transfer in which

Fe‌2+ changes to Fe‌3+ and NO+ changes to NO
Fe‌2+ changes to Fe‌3+ and NO changes to NO+
Fe‌2+ changes to Fe‌+ and NO changes to NO‌+
No charge transfer takes place

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