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Why do halogens have maximum negative el...

Why do halogens have maximum negative electron gain enthalpy in the respective periods of the periodic table?

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To understand why halogens have maximum negative electron gain enthalpy in their respective periods of the periodic table, we can break down the explanation into several steps: ### Step-by-Step Solution: 1. **Definition of Electron Gain Enthalpy**: - Electron gain enthalpy is defined as the amount of energy released when an electron is added to a gaseous isolated atom. A more negative value indicates that more energy is released during this process. **Hint**: Remember that a more negative electron gain enthalpy means a more favorable process for the atom to gain an electron. ...
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(a) Halogens have maximum negative gain enthalpy in the respective periods of the periodic table. Why? (b) Although electron gain enthalpy of fluorine is less negative as compared to chlorine, fluorine is a stronger oxidising agent than chlorine . Why? Fluorine exhibits only-1 oxidation state, whereas other halogens exhibit +1,+3,+5, and +7 oxidation states also. Explain.

(a) Halogens have maximum negative gain enthalpy in the respective periods of the periodic table. Why? (b) Although electron gain enthalpy of fluorine is less negative as compared to chlorine, fluorine is a stronger oxidising agent than chlorine . Why? Fluorine exhibits only-1 oxidation state, wherease other hlaogens exhibit +1,+3,+5, and +7 oxidation states also. explain.

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