Statement 1 : Helium and beryllium have similar outer electronic configuration of the type ns2.Statement 2 : Both are chemically inert.
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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
Correct Statement 2 : Although He and Be have similar outer electronic configuration of the type ns2, only He 1s2 has inert gas configuration and hence is chemically inert but Be 1s22s2 does not have inert gas configuration and hence is not chemically inert.