MHT CET 2023 Chemistry question

Chemistry Classification of Elements and Periodicity in Properties MHT CET 2023

Identify the element having positive electron gain enthalpy

(A)NeCorrect
(B)I
(C)S
(D)O

Answer: (A)

Solution

Electron gain enthalpy is positive when energy must be supplied to add an electron, as for noble gases whose atoms have completely filled stable shells and an extra electron has to enter the next higher shell. Neon has electron gain enthalpy of about , so it is the

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-098165