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Nitrogen can be purified from the impuri...

Nitrogen can be purified from the impurities of oxides of nitrogen and ammonia by passing through

A

Conc. HCl

B

Alkaline solution of pyrogallol

C

A solution of `K_(2)Cr_(2)O_(7)` acidified with `H_(2)SO_(4)`

D

A solution of `KOH`

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The correct Answer is:
C
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NARAYNA-15TH GROUP ELEMENTS-EXERCISE - 4 (NCERT EXEMPLERS/HOTs)
  1. Nitrogen can be purified from the impurities of oxides of nitrogen and...

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  2. Very pure nitrogen can be obtained by :

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  3. When sodium is dissolved in liquid ammonia, a solution of deep blue co...

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  4. In Nitrogen family the H-M-H angle in the hydrides MH(3) gradually bec...

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  5. Gas obtained by heating a mixture of ammonium chloride and slaked lime...

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  6. Ammonia is not a product in the

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  7. Phosphine is not obtained by the reaction when

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  8. The bottle of liqure ammonia is cooled before opening the cork bec...

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  9. The dipoles moment of NF(3) is less than NH(3) because

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  10. Ammonia can not be obtained by

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  11. The compound (SiH(3))(3)N is expected to be

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  12. The number of P-O-P bonds present in P(4)O(6) and P(4)O(10) are respec...

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  13. One of the acid listed below is formed P(2)O-(3) and the rest are form...

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  14. Group 15 of the periodic table consists of the elements N, P, As, Sb a...

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  15. The number of bond in P(4)O(10) is

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  16. The nitrate which when heated gives off a gas (or) a mixture of gases ...

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  17. In nitroprusside ion, the iron and NO exist as Fe(II) and NO^(+) rathe...

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  18. The correct order of bond angle of NO(2)^(+),NO(2) and NO(2)^(-) is

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  19. A tetra-atomic molecule (A) on reaction with nitrogen (I) oxide, produ...

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  20. Polyphosphates are used as water softening agents because they

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