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Give reasons for the following: Electr...

Give reasons for the following:
Electron gain enthalpies of halogens are largely negative.

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

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Electron gain enthalpy of N is less than that of O. explain.

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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-SOLVED CBSE SCANNER
  1. Draw the structures of the following: HClO(3)

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  2. Give reasons for the following: Red phosphorus is less reactive than...

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  3. Give reasons for the following: Electron gain enthalpies of halogens...

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  4. Give reasons for the following: N(2)O(5) is more acidic than N(2)O(3...

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  5. Write the formula of the compound of sulphur which is obtained when co...

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  6. Draw the structures of the following: H(2)S(2)O(8)

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  7. Draw the structures of the following: CIF(3)

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  8. Write the formula of the compound of iodine which is obtained when con...

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  9. Draw the structures of the following: XeF(4)

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  10. Draw the structures of the following: BrF(5)

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  11. Among the hydrides of Gr-15 elements, which have the lowest boiling po...

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  12. Among the hydrides of Gr-15 elements, which have the maximum basic cha...

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  13. Among the hydrides of Gr-15 elements, which have the highest bond angl...

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  14. Among the hydrides of Gr-15 elements, which have the maximum reducing ...

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  15. Give reasons: H(3)PO(3) undergoes disproportionation reaction, but H...

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  16. Give reasons: When Cl(2) reacts with excess of F(2) , ClF(3) is form...

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  17. Give reasons: Dioxygen is a gas while sulphur is a solid at room tem...

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  18. Draw the structures of the following: XeF(4)

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  19. Draw the structures of the following: HClO(3)

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  20. When concentrated sulphuric acid was added to an unknown salt present ...

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