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In the brown ring test, brown colour of...

In the brown ring test, brown colour of the ring is due to

A

a mixture of `NO and NO_(2)`

B

Nitroso ferrous sulphate

C

Ferrous nitrate

D

Ferric nitrate.

Text Solution

Verified by Experts

The correct Answer is:
B
Nitroso ferrous sulphate
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FULL MARKS-P - BLOCK ELEMENTS - II-TEXTBOOK EVALUATION (I. Choose the best answer.)
  1. In which of the following, NH(3) is not used ?

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  2. Which is true regarding nitrogen ?

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  3. An element belongs to group 15 and 3^("rd") period of the periodic t...

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  4. Solid (A) reacts with strong aqueous NaOH liberating a foul smelling g...

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  5. In the brown ring test, brown colour of the ring is due to

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  6. On hydrolysis, PCl(5) gives

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  7. P(4)O(6) reacts with cold water to give

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  8. The basicity of pyrophosphorous acid (H(4)P(2)O(5)) is

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  9. The molarity of given orthophosphoric acid solution is 2M. its norm...

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  10. Assertion : bond dissociation energy of fluorine is greater than chlor...

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  11. Among the following, which is the strongest oxidizing agent ?

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  12. The correct order of the thermal stability of hydrogen halide is

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  13. Which one of the following compounds is not formed ?

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  14. Most easily liquefiable gas is …………… .

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  15. XeF(6) on complete hydrolysis produces

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  16. On oxidation with iodine, sulphite ion is transformed to ……………… .

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  17. Which of the following is strongest acid among all ?

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  18. Which one of the following is correct for the bond dissociation ...

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  19. Among the following the correct order of acidity is

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  20. When copper is heated with conc HNO(3) it produces

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