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Illustrate how copper metal can give dif...

Illustrate how copper metal can give different products on reaction with `"HNO"_(3)`.

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Reaction of Cu metal with dilute `"HNO"_(3)`.
`3"Cu"+8"HNO"_(3)("dil")to3"Cu"("NO"_(3))_(2)+underset("Nitric Oxide")(2"NO")+4"H"_(2)"O"`
Reaction of Cu Metal with conc. `"HNO"_(3)`
`"Cu"+4"HNO"_(3)("Conc.")to"Cu"(NO_(3))_(2)+underset("dioxide")underset("Nitrogen")(2"NO"_(2)+2"H"_(2)"O")`
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-P-BLOCK ELEMENTS -GROUP 15 ELEMENTS (VERY SHORT ANSWER QUESTIONS)
  1. Which of the following is more covalent - "SbCl"(5)" or ""SbCl"(3) ?

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  2. Write the oxidation states of phosphorus in solid "PCl"(5).

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  3. Illustrate how copper metal can give different products on reaction wi...

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  4. Which oxide of nitrogen has oxidation number of N same as that in nitr...

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  5. Write the chemical reactions that occur in the manufacture of nitric a...

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  6. Iron becomes passive in conc. "HNO"(3) - Why ?

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  7. Give the uses of a) nitric aicd and b) ammonia.

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  8. What are the oxidation states of phosphorus in the following ? H(3)P...

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  9. What are the oxidation states of phosphorus in the following ? "PCl"...

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  10. What are the oxidation states of phosphorus in the following ? "Ca"(...

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  11. What are the oxidation states of phosphorus in the following ? "Na"(...

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  12. What are the oxidation states of phosphorus in the following ? "POF"...

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  13. H(3)"PO"(3) is diprotic while H(3)"PO"(2) is monoprotic - Why ?

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  14. Give the disproportionation reaction of H(3)PO(3).

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  15. H(3)PO(2) is a good reducing agent - Explain with an example.

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  16. Draw the structures of Hypo phosphoric acid

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  17. Draw the structures of Cyclic meta phosphoric acid.

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  18. Give an example of neutral oxide of nitrogen.

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  19. Give the paramagnetic oxides of nitrogen.

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  20. Why is white phosphorus is more reactive than red phosphorus ?

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