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Q.

The element of group 18 with highest first ionization potential value.

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a

Xe

b

He

c

Kr

d

Nr

answer is A.

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Detailed Solution

  • Group 18 elements are known as noble gases which are generally inert in nature. As we know, down the group the ionization energy decreases hence, helium has the highest first ionization potential value.
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The element of group 18 with highest first ionization potential value.