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Given below are two statements labelled as Assertion (A) and Reason (R) Assertion (A): Electron gain enthalpy of oxygen is less than that of Flourine but greater than Nitrogen. Reason (R): Ionisation enthalpies of the elements follow the order Nitrogen > Oxygen > Fluorine Select the most appropriate answer from the options given below: (a) Both A and R are true and R is the correct explanation of A (b) Both A and R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) A is false but R is true. |
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Answer» Answer is (c) A is true but R is false. Assertion: Electron gain enthalpy of oxygen is less than that of Flourine but greater than Nitrogen. (correct) Reason: Ionisation enthalpies of the elements follow the order Nitrogen > Oxygen > Fluorine (incorrect) Ionisation enthalpies of the elements follow the order Fluorine >Nitrogen > Oxygen |
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