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Which property is made use of in separat...

Which property is made use of in separating red phosphorus from white phosphorus?

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White phosphorus reacts with hot .NaOH. solutión and forms phosphine .PH,. But red phosphorus does not, react with-caustic alkalis.
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V PUBLICATION-The p-BLOCK ELEMENTS-QUESTION BANK
  1. Urea is used as a fertilizer. Why?

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  2. What is the reaction between ammonium and chloroplatinic acid?

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  3. Which property is made use of in separating red phosphorus from white ...

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  4. Which is more stable PCl3 or PCl5 Why?

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  5. Group 16 elements are called chalcogens? Why?

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  6. Which has higher value for 1st ionisation enthalpy - oxygen or nitrog...

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  7. Group 16 elements have higher values of electronegativity. Why?

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  8. Oxygen is a diatomic gas. Why?

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  9. Suluphur has a strong tendency for catenation than oxygen. Why?

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  10. Hydrocarbons are used as fuels. Why?

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  11. Name the anhydride of sulphurous acid. Why is it called so?

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  12. Sulphuir dioxide 'SO2' is, a reducing agent. Why?

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  13. Hot concentrated sulphuric acid is a strong oxidising agent. Why?

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  14. Fluorine does not show higher positive oxidation states. Why?

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  15. Arrange HF, HCI, HBr and HI in the order of their i dipole moments. ii...

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  16. In presence of moisture, 'C l2' acts as a powerful oxidising agent. Wh...

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  17. Does the hydrolysis of 'XeF6' lead to a redox reaction?

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  18. Explain i) Sulphur vapours, exhibits some paramagnetism ii) ClF, exi...

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  19. Explain i Helium is used in inflating aeroplane tyres? ii. Solubility ...

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  20. In the reaction 'A+2B+H2O gives C+2D. draw the structures of A, B,...

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