Question:
Which one of the following elements has the highest negative value for its electron gain enthalpy?
Which one of the following elements has the highest negative value for its electron gain enthalpy?
Updated On: May 15, 2024
- $ Se $
- $ O $
- $ S $
- $ Te $
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The Correct Option is C
Solution and Explanation
The elements of group $16$ have relatively high negative electron gain enthalpy values which decrease down the group from $S$ to Po. Oxygen has lowest negative electron gain enthalpy due to its small size which makes electron density high and repels the incoming electron
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Concepts Used:
Haloalkanes and Haloarenes - Classification
Classification of Haloalkanes and Haloarenes are as follows:
Haloalkanes and Haloarenes are Classified on the Basis of the Number of Halogen Atoms:
These are further classified as mono, di, or polyhalogen (tri-,tetra-, etc.) compounds depending on whether they contain one, two or more halogen atoms in their structures. For example;
- Monohaloalkane
- Dihaloalkane
- Trihaloalkane
Haloalkanes and Haloarenes are Classified on Compounds Containing sp3 C—X Bond (X= F, Cl, Br, I)
This class includes:
- Alkyl halides or haloalkanes (R—X)
- Allylic halides
- Benzylic halides
Haloalkanes and Haloarenes are Classified on Compounds Containing sp2 C—X Bond
This class includes:
- Vinylic halides
- Aryl halides