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Nessleers reagent is...

Nessleers reagent is

A

`K_(2)HgI_(4)`

B

`K_(2)HgI_(4) + KOH`

C

` K_(2)HgI_(2) + KOH`

D

`K_(2)HgI_(4)+ KI`

Text Solution

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The correct Answer is:
B
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What is Nesseler's reagent ? What is the action of ammonia on Nesseler's reagent?

MOTION-Salt Analysis-Exercise - 1
  1. A blue colouration is not obtained when

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  2. Which of the following is soluble in yellow ammonium sulphide ?

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  3. Nessleers reagent is

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  4. If NaOH is added to an aqueous solution of zinc ions a white ppt appea...

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  5. Mark the compound which is soluble in hot water

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  6. Sometimes yellow turbidity appears while passing H(2)S gas even in the...

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  7. CuSO(4) decolourises on addition of KCN, the product is

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  8. A metal salt solution forms a yellow ppt with potassium chromate in ac...

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  9. What product is formed by mixing the solution of K(4)[Fe(CN)(6)] with ...

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  10. AgCl dissolves in ammonia solution giving

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  11. A white crystalline substance dissolves in water. On passing H2 S in t...

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  12. An aqueous solution of colourless metal sulphate M gives a white preci...

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  13. A pale green crystalline metal salt of M dissolves freely in water. It...

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  14. On the addition of a solution containing CO(4)^(2–) ions to the soluti...

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  15. Turnbull's blue is a compound.

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  16. A mixture of chlorides of copper, cadmium, chromium, iron and aluminiu...

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  17. A metal is burnt in air and the ash on moistening smells of ammonia. T...

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  18. A white ppt obtained in a analysis of a mixture becomes black on treat...

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  19. A salt on treatment with dil. HCl gives a pungent smelling gas and a y...

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  20. A chloride dissolves appreciably in cold water. When placed on platinu...

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