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Nessler's reagent is...

Nessler's reagent is

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`K_(2)HgI_(4)`
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Nesslers reagent is used to detect trace amounts of ammonia. Its formula is

Compound A on hydrolysis gives gaseous compound B and alkaline solution. When B reacts with Nessler's reagent it gives brown ppt. when 'B' reacts with H_(2)[PtCI_(6)] it gives yellow ppt of C. Hybridised state of central atom of the ionisation sphere of compound C is:

In Nessler's reagents, the ion present is :

Ammonia reaxcts with Nessler's reagent to give:

Basic radical which gives Nessler's reagent test in which brown precipitate or brown colouration obtained

In iodide of Million's base formed by the reaction of Nessler's reagent with NH_(3) , the coordination number of Hg will be

DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Problems For Practice
  1. What happens when mixture of NH(3) and air is passed over heated plati...

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  2. Why does NH(3) act as a good complexing agent ?

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  3. Nessler's reagent is

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  4. Which oxide of nitrogen is coloured ?

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  5. Which of the following is a nitric acid anhydride?

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  6. The composition of aqua-regia is

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  7. Name one metal which becomes passive in conc. HNO(3).

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  8. Which oxide of nitrogen is paramagnetic and coloured ?

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  9. What are the neutral oxides of nitrogen?

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  10. Name the product when zinc is reacted with very dilute HNO(3) acid.

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  11. Name the product when iodine is heated with concentrated HNO(3).

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  12. Name the compound of N with oxidation state -3 " and " +2.

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  13. Identify the group 15 elements (s) which correspond to the following d...

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  14. In the ring test for NO(3)^(-) ion, what is the chemical formula of th...

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  15. Which oxide of nitrogen becomes brown when released in air ?

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  16. What are the shapes of PH(3) molecule and PH(4)^(+) ion ?

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  17. What is the maximum oxidation state shown by nitrogen in its compounds...

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  18. What is the nature of N^(3-) ion ?

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  19. Apart from N(2)O which other colourless gas supports combustion ?

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  20. What is the nature of the following reaction ? P(4)+3NaOH+3H(2)O to ...

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