Verified Solution • 2025–26 Session moderate

QJEEM22Chbd43: JEE Main 2022 Chemistry - Class 12 JEEM22Chbd43 Solution: The electronic configuration of Pt (atomic number 78) is :

The electronic configuration of Pt (atomic number 78) is :

Multiple Choice Options

  • A [Xe] 4f14 5d9 6s1
  • B [Kr] 4f14 5d10
  • C [Xe] 4f14 5d10
  • D [Xe] 4f14 5d8 6s2

Step-by-Step Verified Solution

Atomic number of Pt is 78

Electronic configuration is – 78Pt → [Xe] 4 f14 5d9 6s1 (Exceptional electronic configuration)

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