1.

(A) Halogens have maximum negative electron gain enthalpy in the respective periods of the periodic table (R ) Halogens have the smallest size in their respective periods and high effective nuclear charge

Answer»

Both (A) and (R ) are true and (R ) is the correct explanation of (A)
Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
(A) is true but (R ) is FALSE
Both (A) and (R ) are false

Answer :A


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