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Statement-1: Hg(2)CI(2)is blackened by N...

Statement-1: `Hg_(2)CI_(2)`is blackened by `NH_(3)` due to the formation of iodide of Millon's base.
Statement-2: `Hg^(2+)` ions give deep-red crystalline precipitate with cobalt (II) thiocyanate.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True, Statement-2- is True, Statement-2 is NOT a correct explanation for Statement-22

C

Statement-1 is True, Statement-2 is False

D

Statement-1 and Statement-2 both are False

Text Solution

Verified by Experts

`Hg_(2)CI_(2)+2NH_(3)rarr ubrace(Hgdarr +Hg(NH_(2))CIdarr)_("Black")`
`Hg^(2+) +Co^(2-) +4SCN^(-) underset(("Deep blue crystalline ppt"))(Co[Hg(SCN)_(4)]darr)`
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GRB PUBLICATION-SALT ANALYSIS-Reasoning Type
  1. Statement-1: Orthophosphate gives yellow precipitate with silver nitra...

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  2. Statement-1: PbCI(2) and AgCI precipitates can be separated by ammonia...

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  3. Statement-1: Hg(2)CI(2)is blackened by NH(3) due to the formation of i...

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  4. Statement-1: Unexposed silver nitrate of a photographic plate is remov...

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  5. Statement-1: Barium bromide gives some colour. Precipitate with AgNO(3...

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  6. Statement-1: Aqueous solution of Pb^(2+) ions gives white precipitate ...

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  7. Statement-1: White precipitates of AgCI and PbCI(2) can be separated b...

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  8. Statement-1 :Cu^(2+) and Cd^(2+) ions form complexes with excess of p...

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  9. Statement-1: Aqueous solution containing sodium acetate and ferric chl...

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  10. Statement-1: Presence of Fe^(3+) in an aqueous solution can be confirm...

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  11. Statement-1: Chromium ions give gree precipitate of Cr(OH)(3) with Na(...

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  12. Statement-1: In neutral solution, there is partial precipitation of zi...

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  13. Statement-1: Zinc ions are not precipitated by ammonia solution as zin...

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  14. Statement-1: Borax bead test can be used for the identification of col...

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  15. Statement-1: Potassium chromate solution in acetic acid precipitates o...

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  16. Statement-1: Solution of Ca^(2+) ions does not give any precipitate wi...

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  17. Statement-1: Ca^(2+) ions do not form any precipitate with ammonia sol...

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  18. Statement-1: When HCO(3)^(-) and CO(3)^(2-) ions are present together,...

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  19. Statement-1: NaHCO(3) is the least soluble alkali bicarbonate. State...

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  20. Statement-1: LiHCO(3) cannot exist in solid form. Statement-2: Li(2)...

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