1.

(A): Oxygen has highest tendency, among chalcogens, to form dinegative ion (R): Electron affinity of oxygen is highest among chacogens

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 :C


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