Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-conceptual-Hard-Class 11
Which of the following statements regarding electron gain enthalpy and the periodic properties of elements is correct?
A
Electron gain enthalpy is always exothermic for all elements.
B
Electron gain enthalpy can be either endothermic or exothermic depending on the element.
C
Elements in Group 16 have a higher electron gain enthalpy than those in Group 17.
D
Electron gain enthalpy values are consistent across all periods of the periodic table.
Correct Answer
Option B
Detailed Explanation
Electron gain enthalpy (∆egH) can be either endothermic or exothermic depending on the element, as stated in the NCERT context. This highlights the variability in the ease with which different elements can accept an electron.
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