Why negative value of electron gain enthalpy of o is less than s?
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5
Answer:
As the size of the atom increases, the distance between the nucleus and the last shell which receives the incoming electrons increases. This decreases the force of attraction between the nucleus and the incoming electron. Hence, the electron gain enthalpy becomes less negative
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1
Answer:
S has high electron gain enthalpy because in sulphur there is more inter-electronic repulsion than oxygen, therefore, more energy is released in case of sulphur on gaining electrons.
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