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Explain why phosphorus forms PCl5 wherea...

Explain why phosphorus forms `PCl_5` whereas nitrogen does not form `NCl_5` .

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Explain why moist chlorine can bleach dry coloured articles but dry ch...

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  2. Write down the structure of SO2 and state with reason whether it is po...

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  3. Explain why phosphorus forms PCl5 whereas nitrogen does not form NCl5 ...

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  4. What is the oxidation number of central atom [Mn (H2O)6]^(+2)

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  5. Why is HNO2 not stable.

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  6. Complete the following reaction : NaOH (hot, conc.) + Cl2(g) rarr

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  7. Complete the following reaction: P4+SO2Cl2 rarr

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  8. Complete the following reaction : NH3(excess) + Cl2 rarr

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  9. How do you account for the reducing behaviour of H3P02 on the basis of...

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  10. When HCI reacts with finely powdered iron, it forms ferrous chloride a...

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  11. What are interhalogen compounds ? Give example.

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  12. What are the interhalogen compounds ? Why are these more reactive than...

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  13. Draw structure of HClO4.

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  14. Why noble gases have very high values of ionisation enthalpies?

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  15. Why are halogens strong oxidising agents?

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  16. (i) why are halogens strong oxidising agents ? (ii) Why oxygen shows...

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  17. Give the preparation, hybridisation and structure of XeF4 (XenonTetraf...

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  18. What is the oxidation number of central atom [Cu Br2 (H2O) (NH3) ]

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  19. Draw the structure of H3PO3.

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  20. Why conc. sulphuric acid is always diluted by adding sulphuric acid to...

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