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Question: Answered & Verified by Expert
Are the first ionisation enthalpies for two isotopes of an element same or different and why?
ChemistryClassification of Elements and Periodicity in PropertiesNEET
Options:
  • A The first ionisation enthalpies would be the same because isotopes have the same number of protons and electrons.
  • B The first ionisation enthalpies would be different because isotopes have different numbers of protons.
  • C The first ionisation enthalpies would be the same because isotopes have the same atomic mass.
  • D The first ionisation enthalpies would be different because isotopes have different electron configurations.
Solution:
1335 Upvotes Verified Answer
The correct answer is: The first ionisation enthalpies would be the same because isotopes have the same number of protons and electrons.
Correct Option is : (A)
The first ionisation enthalpies would be the same because isotopes have the same number of protons and electrons.

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