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QJEEM17Chc592: JEE Main 2017 Chemistry - Class 12 JEEM17Chc592 Solution: Which of the following ions does not liberate hydrogen gas on…

Which of the following ions does not liberate hydrogen gas on reaction with dilute acids ?

Multiple Choice Options

  • A Ti2+
  • B V2+
  • C Cr2+
  • D Mn2+

Step-by-Step Verified Solution

The third ionisation energy of Mn is too high due to stable half filled 3d-orbital. Hence, it cannot further get oxidised to liberate hydrogen.

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