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In case of phosphorus trihalides, bond a...

In case of phosphorus trihalides, bond angle increases from `PF_(3)` to `PI_(2)`. Why? 

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AAKASH SERIES-GROUP 15 ELEMENTS-EXERCISE - 1.2
  1. Nitrogen forms several oxides. Why?

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  2. Nitrous oxide supports combustion more vigorously than air. Why?

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  3. In case of phosphorus trihalides, bond angle increases from PF(3) to P...

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  4. NH(3) and NF(3) are both pyramidal. What observations are made on the ...

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  5. The correct order of bond angles is NO(2)^(+) gt NO(2) gt NO(2)^(-) . ...

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  6. Copper metal gives different products on reaction with nitric acid. Il...

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  7. Discuss the structure and basicity of orthophosphorus acid.

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  8. Draw the structures of -ous acids of phosphorus and discuss their redu...

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  9. What hapens when the following are heated? (a) orthophosphoric acid ...

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  10. Nitrogen behaves abnormally from the other elements of the same group....

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  11. Trimethylamine is a stronger base than trisilylamine. Justify.

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  12. What is the ratio of product gases, nitric oxide and nitrogen dioxide ...

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  13. Concentrated nitric acid turns yellow in sunlight. Why?

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  14. How the products of oxidation of metals with nitric acid depend?

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  15. How is ammonia prepared from lime and coke?

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  16. Write on the conditions of Haber's ammonia synthesis.

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  17. Ammonia is used as refrigerant. Why?

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  18. Though N-F in NF(3) is a polar bond, the experimental bond length is g...

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  19. A waxy crystalline solid (X) with a garlic odour is obtained by burnin...

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  20. Compound 'A' is an unstable pale blue solution of an acidic oxide. 'A'...

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