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How copper metal gives different product...

How copper metal gives different products with nitric acid ?

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USHA PUBLICATION-P-BLOCK ELEMENTS( GR-15,GR16,GR17,GR18)-EXERCISE
  1. Explain, that in SO2 the two S-O bonds are equal in length.

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  2. Why does NH3 form hydrogen bond but PH3 does not ?

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  3. How copper metal gives different products with nitric acid ?

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  4. Write three difference in properties of white phosphorus and red phosp...

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  5. Give example of compounds showing +3, +5 oxidation states for phosphor...

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  6. What happens when NaCl is treated with sulphuric acid in presence of M...

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  7. What happens when Cl2 gas is passed through hot concentrated solution ...

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  8. Explain, why NH3is a complexing agent ?

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  9. Bond angle in phosphonium ion is higher than phosphine. Explain.

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  10. Why does PCI3, fumes in moist air ?

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  11. Explain, why all the bonds In PCI5are not identical.

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  12. Write basicity of H3PO2,H3PO3 and H3PO4 .

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  13. When iron reacts with HCI, ferrous chloride is formed not ferric chlor...

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  14. How can you prepare CI2 from HCl and HCI from Cl2 ?

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  15. Arrange as indicated - HF,HCL,HBr,HI (increasing volatility order)

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  16. Arrange as indicated -NH3 , PH3 , AsH3 , SbH3 (increasing basic stre...

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  17. Arrange the halogen acids in increasing order of their acidic strength...

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

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  19. On the basis of VSEPR theory explain the shape of BrF3 molecule .

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  20. Describe the geometry of XeF6.

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