Question
Chemistry Question on Modern Periodic Law And The Present Form Of The Periodic Table
The correct order of variation of first ionisation enthalpies is:
A
Ne
B
Xe<Li<K<Cs<Ne
C
Cs>K>Li>Xe>Ne
D
Li>K>Cs>Ne>Xe
E
Ne>Xe>Li>K>Cs
Answer
Ne>Xe>Li>K>Cs
Explanation
Solution
The correct answer is (E):Ne>Xe>Li>K>Cs