OnlineCBT
Chemistry · Classification of Elements and Periodicity in Properties
हिन्दीGiven below are two statements: Statement I: Electron gain enthalpy becomes less negative as we go down a group due to an increase in atomic size. Statement II: Fluorine has a more negative electron gain enthalpy than chlorine because fluorine is smaller in size. In the light of the above statements, choose the most appropriate answer from the options given below:
Correct answer · Option 3
Statement I is correct but Statement II is incorrect.
Explanation
Statement I is correct. Statement II is incorrect because fluorine has a less negative electron gain enthalpy than chlorine due to compact 2p-orbital electron-electron repulsion.
