Statement 1 : Of the elements, helium has the highest value of first ionisation enthalpy.Statement 2 : Helium has the most positive electron gain enthalpy of all the elements.
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a
Both Statement 1 and Statement 2 are true.
b
Statement 1 is true and Statement 2 is false.
c
Statement 1 is false and Statement 2 is true.
d
Both Statement 1 and Statement 2 are false.
answer is B.
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Detailed Solution
(1) Helium is the smallest inert gas.(2) The E.A of inert gas is taken as zero.