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Oxygen will directly react with each of ...

Oxygen will directly react with each of the following elements except

A

`S`

B

`P`

C

`Cl`

D

`Na`

Text Solution

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The correct Answer is:
3
Since the oxides of chlorine are strongly endothermic compounds and have positives free energies of formation dioxygen does not react directly with dichlorine. Others do reacts
`S(s)+O_(2)(g) overset(Delta)(rarr) SO_(2)(g)`
`P_(4)(s)+5O_(2)(g) overset(Delta)(rarr) P_(4)O_(10) (s)`
`4Na(s)+O_(2)(g) overset(Delta)(rarr) 2Na_(2)O(s)`
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R SHARMA-THE P BLOCK ELEMENTS-QUESTION BANK
  1. Which is used in the laboratory for last drying of neutral gases?

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  2. Oleum is

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  3. Oxygen will directly react with each of the following elements except

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  4. Which of the following has thelowest boiling point?

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  5. Which of the following is true for white and red phosphours except tha...

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  6. Which of the following is a noncombustible hydride?

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  7. Which of the following hydries has the highest dipole moments?

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  8. The species CO, CN^(-),and NO^(+) which are isoelectronic with N(2), a...

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  9. Which of the following is an exothermic compound?

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  10. Combustion of hydrazine produces

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  11. Which of the following reactions are feasible for hydrazine?

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  12. Which of the following is correct for the azide (N(3)^(-)) ion?

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  13. The reaction between urea and nitrous acid produces

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  14. Which of the following nitrides exist as giant molecules?

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  15. Which of the following gases is evolved when urea is heated with NaOH?

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  16. NH(4)CI is used to clean metal surface because

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  17. In quantitative ananlysis ,ammonia is used to separate

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  18. which of the following reaction gives reasonably pure NO?

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  19. Which of the following allotropes of phosphorus is used in the manufac...

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  20. Yellow ammonium sulphide is obtained by passing H(2)S into

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