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Give reasons for the following: Oxygen...

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

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The electron gain enthalpy with negative sign is less for oxygen for sulphur. Explain.

Why is the value of electron-gain enthalpy negative?

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Why is the electron gain enthalpy of oxygen is less than that of sulphur?

Nitrogen has positive electron gain enthalpy.Explain.

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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-SOLVED CBSE SCANNER
  1. Draw the structures: H(2)SO(4)

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  2. Give reasons for the following: (CH(3))(3)P=O exists but (CH(3))(3)N...

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

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  4. Give reasons for the following: H(3)PO(2) is a stronger reducing age...

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  5. Draw the structures of the following: H(2)SO(4)

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  6. Draw the structures of the following: XeF(2)

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  7. Complete the following chemical reaction: Cu+ HNO(3) (dilute)to

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  8. Complete the following chemical reaction: P(4)+NaOH+H(2)Oto

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  9. Why does R(3)P = O exist but R(3)N=O does not? (R = alkyl group)

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  10. Oxygen is gas whereas sulphur is solid at room temperature .Explain.

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  11. Write balanced equations for the following reactions: Chlorine react...

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  12. Write balanced equations for the following reactions: Carbon reacts ...

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  13. Describe the contact process for the manufacture of sulphuric acid wit...

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  14. Explain the following: Nitrogen is much less reactive than phosphoru...

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  15. Explain the following: NF(3) is an exothermic compound but NCl(3) is...

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  16. Elements of gr-16 generally show lower value of first ionisation entha...

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  17. What happens when- concentrated H(2)SO(4) is added to CaF(2)?

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  18. What happens when- sulphur dioxide reacts with chlorine in the presenc...

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  19. What happens when- ammonium chloride is treated with Ca(OH)(2) ?

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  20. Draw the structure of the following: BrF(3)

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