(A): Water forms hydronium ion in acid s...

(A): Water forms hydronium ion in acid solutions
(R): The maximum covalency of oxygen is three

A

Both (A) and (R ) are true and (R ) is the correct explanation of (A)

B

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

C

(A) is true but (R ) is false

D

Both (A) and (R ) are false

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The correct Answer is:

A

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