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Iodine flakes when rubbed with liquor am...

Iodine flakes when rubbed with liquor ammonia give dark brown ppt. of

A

`NI_3`

B

`NH_4I`

C

`NI_3.NH_3`

D

`NH_4. NI_3`

Text Solution

Verified by Experts

The correct Answer is:
C
`2NH_3 + 3I_2 to NI_3 . NH_3 + 3HI`
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MARVEL PUBLICATION-P-BLOCK ELEMENTS -TEST YOUR GRASP
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  2. The element which forms oxides in all oxidation states +1 to +5 is.

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  3. With Nesslers reagent, ammonia gives brown precipitate due to formatio...

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  4. Oxide of nitrogen used as an oxidiser for rocket fuels in missiles and...

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  5. Oxide of nitrogen which acts as oxidising as well as reducing agent is

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  7. What is the hybridization of S in SF6 ?

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  9. Laughing gas has chemical formula

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  10. A solution of colourless salt H on boiling with axcess NaOH produces a...

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  11. When chloride is passed over dry slaked lime at room temperature the m...

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  12. When I(2) is dissolved in C Cl(4), the colour that results is

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  13. Fluorine does not show positive oxidation states due to the absence of

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  14. The hybridisation of xenon in XeF2 is

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  15. An inert gas atoms

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  16. Argon is used in arc welding because of its

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  17. Nitrogen shows oxidation state +5, but it does not form pentahalide as

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