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The halogen which exists only ln-1 oxida...

The halogen which exists only ln-1 oxidation state Is.

A

Cl

B

F

C

Br

D

I

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BODY BOOKS PUBLICATION-THE P-BLOCK ELEMENT-Example
  1. The hybridisation of the central atom In BrF5 Is.

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  2. The rder of bond angels as NH3 < PH3 < As H3. State whether this state...

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  3. The halogen which exists only ln-1 oxidation state Is.

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  4. An atom with high electronegativity has.

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  5. The reason of lowest boiling point of Helium is

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  6. What is the covalence of nitrogen in N2O5?

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  7. Which one has higher electron gain enthalpy with negative slgn sulphur...

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  8. Is used in filling weather balloons.

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  9. Observe the relationship between the first two terms and fill In the b...

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  10. is an allotrope of oxygen: It is formed at upper atmosphere by action ...

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  11. Choose correctly matched pairs.

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  12. “H3PO2 is a tribaslc acid”. State whether this statement Is true or fa...

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  13. PH3 is reacts with HI to form a salt .

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  14. Which of the following does not react with O2 directly Zn, Ti,Pt, Fe?

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  15. Which aerosols deplete ozone?

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  16. Which one of the following does not exist? i 'XeOF4' iiNeF2 iii XeF iv...

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  17. Ammonia has a higher boiling point and Is less volatile because of.

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  18. Compound is used as the covering liquid in refrigerators ?

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  19. The most abundant oxidation states of nitrogen are.

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  20. Name a disinfectant produced using slakedlime and chlorine. Give its c...

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