Question

Which of the following statements is not correct about the electron gain enthalpy?

• A. In general, the electron gain enthalpy becomes less negative in going from top to bottom in a group
• B. the electron gain enthalpy becomes less negative in a period from left to right.
• C. The elements having stable configuration like noble gases have large positive electron gain enthalpies.
• D. Electron gain enthalpy of O or F is less than that of succeeding element.

Answer 1

Answer: (B)

the electron gain enthalpy becomes less negative in a period from left to right.

Answer 2

: The electron gain enthalpy becomes more negative in a period from left to right.