MCQ
Note : In the following questions a statement of Assertion $(A)$ followed by a statement of 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 $\mathrm{H}_2\mathrm{O}$ molecule, the energy required to break the first $O – H$ bond and 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.
Assertion $(A)$ : Among the two $O–H$ bonds in $\mathrm{H}_2\mathrm{O}$ molecule, the energy required to break the first $O – H$ bond and 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.
- ABoth $A$ and $R$ are true but $R$ is not the correct explanation of $A.$
- B$A$ is true but $R$ is false.
- C$A$ is false but $R$ is true.
- ✓Both $A$ and $R$ are false.