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The pair(s) of reagents that yield param...

The pair(s) of reagents that yield paramagnetic species is/are

A

Na and excess of `NH_(3)`

B

K and excess of `O_(2)`

C

Cu and dilute `HNO_(3)`

D

`O_(2)` and 2-ethylanthraquinol

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The correct Answer is:
A, B, C
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RESONANCE-NITROGEN & OXYGEN FAMILY-Exercise 3 (Part-I: JEE Advanced)
  1. The reaction of P(4) with X leads selectively to P(4)O(6) The X is :

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  2. Match each of the reaction given in Column I with the corresponding pr...

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  3. Extra pure N2 can be obtained by heating

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  4. Among the following, the number of compounds that can react with PCl(5...

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  5. Which ordering of compounds is according to the decreasing order of th...

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  6. Concentrated nitric acid upon long standing turns yellowish-brown due ...

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  7. The pair(s) of reagents that yield paramagnetic species is/are

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  8. The product formed in the reaction of SOCl2 (thionyl chloride) with wh...

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  9. The compound (s) which generate (s) N(2) upon thermal decomposation is...

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  10. Based on the compounds of group 15 elements, the correct statement (s)...

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  11. Amongest H(2)O,H(2)S,H(2)Se and H(2)Te the one with highest boiling p...

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  12. The number of S-S bonds in sulphur trioxide trimer (S(3)O(9)) is

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  13. Which of the following oxoacids of sulpher has -O-O- linkage ?

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  14. Which of the following will not be oxidised by O(3)?

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  15. Which gas is evolved when PbO(2) is treated with conc HNO(3) ?

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  16. Aqueous solution of Na(2)S(2)O(3) on reaction with CI(2), gives

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  17. Hydrogen peroxide in its reaction with KIO(4) and NH(2)OH respectively...

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  18. The nitrogen containing compound produced in the reaction of HNO(3) wi...

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  19. Upon heatingKClO(3) in presence of catalytic amount of MnO(2), a gas W...

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  20. Upon heatingKCIO(3) in presence of catalytic amount of MnO(2), a gas W...

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