In the following questions, a statement of Assertion (A) followed by a statement of the reason (R) is given. Choose the correct option out of the choices given below each question.

Assertion (A): Among the two O–H bonds in H2O molecule, the energy required to break the first O–H bond and the other O–H bond is the same.
Reason (R) : This is because the electronic environment around oxygen is the same even after breakage of one O–H bond.
(i) A and R both are correct, and R is correct explanation of A.
(ii) A and R both are correct, but R is not the correct explanation of A.
(iii) A is true but R is false.
(iv) A and R both are false

 

Answers (1)

The answer is the option (iv) A and R both are false.

Explanation:

Correct assertion: The bond enthalpy in H-O-H is not same for both the O-H bonds.

Correct reason: Because electronic charge on oxygen atom is different after breaking of one O-H bond.

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