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Give reason for the following : Oxygen...

Give reason for the following :
Oxygen has less electron gain enthalpy with negative sign than sulphur.

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Due to small size and high electron density, the added electron suffers some repulsion. Therefore, it has less electron gain enthalpy with negative sign than sulphur.
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Which of the following has largest negative electron gain enthalpy ?

The electron gain enthalpy of oxygen is "______" that of sulphur.

U-LIKE SERIES-THE P-BLOCK ELEMENTS -LONG ANSWER QUESTION-I
  1. Give reasons for the following: Chlorine water on standing loses it...

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  2. Give reason for the following : (CH3)3P=O exists but (CH3)3N=O does ...

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  3. Give reason for the following : Oxygen has less electron gain enthal...

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  4. Give reason for the following : H3PO2 is a stronger reducing agent t...

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  5. Why is dioxygen a gas but sulphur a solid ?

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  6. Give reasons for the following: Where R is an alkyl group , R3P=O ex...

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  7. Give reasons for the following: PbCl4 is more covlalent than PbCl2 ...

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  8. Give reasons for the following: At room temperature , N2 is much les...

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  9. How would you account for the following: H2S is more acidic than ...

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  10. How would you account for the following: The N-O bond in NO2^(-) i...

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  11. How would you account for the following: Both O2 and F2 stabilise h...

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  12. How would you account for the following: NCI3 is an endothermic co...

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  13. How would you account for the following: XeF2 is a linear molecule ...

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  14. How would you account for the following: The electron gain enthalpy...

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  15. Write balanced chemical equations for the following reactions : Ther...

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  16. Write balanced chemical equations for the following reactions : Reac...

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  17. Write balanced chemical equations for the following reactions : When...

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  18. Account for the following: NH3 is a stronger base than PH3.

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  19. Account for the following: Sulphur has a greater tendency for cate...

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  20. Account for the following: Bond dissociation energy of F2 is less ...

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