CBSE Class 11-science Answered
why 15 group low velctron gain enthalpy than 16 group
Asked by kunalkumarshah123456! | 24 Sep, 2018, 12:09: PM
Expert Answer
Group 15 elements have an outer electronic configuration ns2 np3 . as the p-orbital is half filled it will get extra stability than group 16 elements.
Due to this, to add an extra electron to group 15 elements is required energy hence group 15 elements shows a positive value of electron gain enthalpy.
Answered by Ramandeep | 25 Sep, 2018, 11:26: AM
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