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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

NTA Abhyas 2020 · Chemistry · Classification of Elements and Periodicity in Properties

The incorrect order of first ionisation energy is:

The incorrect order of first ionisation energy is:

Options

  1. AAu > Cu > Ag
  2. BPt > & Ni > Pd
  3. CC > & Pb > Sn
  4. DB > Ga > Al

Correct answer

B. Pt > & Ni > Pd

Step-by-step solution

First ionization energy of Pd>Ni\text{Pd}\text{>}\text{Ni} due to its d10d^{\text{10}} configuration.
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