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Complete the reactions (i) Cu+HNO(3) (...

Complete the reactions
(i) `Cu+HNO_(3) ("Conc.") to (ii) XeF_(4) + O_(2)F_(2) to`

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(i) `Cu +4HNO_(3)("Conc.") to Cu(NO_(3))_(2) +2NO_(2)+2H_(2)O`
(ii) `XeF_(4) +O_(2)F_(2) to XeF_(6) to XeF_(6) +O_(2)`
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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Questions From Board Examinations
  1. Despite lower value of its electron gain enthalpy with negative sign, ...

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  2. Why are halogens coloured?

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  3. Complete the reactions (i) Cu+HNO(3) ("Conc.") to (ii) XeF(4) + O(2)...

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  4. Although hydrogen bonding in HF is stronger than in water, yet water h...

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  5. Complete the following reactions : (i) NH(4)Cl(aq) overset("heat") t...

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  6. Write balanced chemical equations for the following reactions : (a) ...

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  7. Write balanced chemical equation for the following : (a) NaCl is hea...

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  8. Give two allotropes of oxygen. Give one method of preparation and two ...

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  9. Which xenon compound has distorted octahedral shape ?

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  10. How will you account for the following : (i) HI is a stronger acid t...

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  11. How are interhalogen compounds formed ? Write general compositions tha...

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  12. What happens when : (i) PCl(5), is heated (ii) H(3)PO(3) is heated

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  13. Bleaching of flowers by Cl(2) is permanent while bleaching by SO(2) is...

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  14. Arrange HClO, HBrO, HIO decreasing order of acidic strength.

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  15. Complete the equation XeF(6)+H(2)O to ? + ?

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  16. Draw the shapes of the following molecules : (i) XeOF(4) (ii) H(2)SO...

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  17. Write main differences between the properties of white phospghorus and...

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  18. The two O-O bond lengths in ozone molecule are equal. Assign reason.

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  19. Why is PCl(5) more covalent than PCl(3) ?

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  20. How will you prepare PH(3) from (i) Metal phosphides (ii) H(3)PO(2) ...

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