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The bond angle for the hydrides of Gr-15...

The bond angle for the hydrides of Gr-15 elements decreases from `NH_3(107^@)` to `SbH_3(91^@)`. This is due to

A

Decreases in electronegatvity of the central atoms

B

6

C

Decrease in Ip – Ip repulsion

D

`Cu(CN)_2`

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USHA PUBLICATION-P-BLOCK ELEMENTS( GR-15,GR16,GR17,GR18)-EXERCISE
  1. Which of the compounds give carbon with sulphuric acid?

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  2. Identify the catalyst used in Decan process.

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  3. The bond angle for the hydrides of Gr-15 elements decreases from NH3(1...

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  4. The number of p - o – p bonds in phosphorous pentoxide (P4O10) are

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  5. Which of the following is not a method of preparation of ammonia?

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  6. When ammonia is passed through copper sulphate solution a deep blue so...

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  7. P4 molecule has tetrahedral structure. The / P – P – P bond angle is

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  8. Identify the catalyst used in Ostawald’s process.

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  9. Aqua regia is

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  10. Why halogens are highly reactive?

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  11. What happens when SO2 is passed through chlorine water ?

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  12. What is the 1st noble gas element discovered in earth?

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  13. Why does SO2 act as bleaching agent only in presence of moisture?

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  14. OF2 is called as oxygen difluoride and not fluorine oxide. Why?

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  15. Which noble gas has less than 8 electrons in its valency shell?

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  16. The inert gas used in beacon lights is

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  17. Randon was discovered by

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  18. Which noble gas compound is highly explosive?

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  19. Arrange as indicated - H2O , H2S , H2Se , H2Te ( increasing bond ang...

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  20. In SO2 an oxidizing agent or reducing agent or both?

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