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What happens when : (i) Red phosphorus...

What happens when :
(i) Red phosphorus is treated with `l_(2)` and water.
(ii) Give balance equation : Cu reacts with `HNO_(3)` to produce NO and `NO_(2)` in the ration `2:1`.

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Verified by Experts

The correct Answer is:
(i) `2P+3I_(2)+6H_(2) to 2H_(3)PO_(3)+6HI`
(ii) `7Cu+20HNO_(3)` to `7Cu(NO_(3))_(2)+4NO+2NO_(2)+10H_(2)O`
NA
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RESONANCE-P BLOCK ELEMENTS-ALP PART 1 Comprehension # 1 SUBJECTIVE
  1. Complete and balance the following chemical equatios (a) HSO(3)NH(3)...

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  2. Give reason for the following : (a) Formation of NH(3) from its ele...

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  3. What happens when : (i) Red phosphorus is treated with l(2) and wate...

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  4. In P(4)O(10) the number of oxygen atoms bonded to each phosphorus atom...

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  5. Write the names of substances which have higher oxidation potential th...

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  6. Why sulphur is able to show oxidation state of +4 and +6 with fluroine...

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  7. Oxygen exists as a gas, while sulphur exists as a solid Why ?

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  8. How is the presence of SO2 detected?

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  9. Which aeroslos deplete ozone ?

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  10. Oxygen almost variably and oxidation state of -2 but the other members...

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  11. An aqueous solution of a gas (X) gives the following reactions : (i)...

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  12. On heating rhombic sulphur it melts but viscosity of liquid increases ...

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  13. {:(,underset(("Oxy acids of phosphoros"))("Column I"),,underset(("Char...

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  14. {:("Column I","Column II"),((A)PbO(2)+HNO(3)to,(p)"One of the products...

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  15. {:("Column I","Column II"),((A)2NO(2)overset("Cool")to,(p)"One of the ...

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  16. P(4) reduces copper sulphate solution to metallic copper.

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  17. Red phosphorus catches fire at room tempt.

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  18. Hyderoxylamine undergoes disproportination reaction rapidly in alkalin...

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  19. N(2)O does not from hyperitrite with alkali.

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  20. In alkaline solution, with Devarda's alloy (Cu//Al//Zn) nitrites are r...

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