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Which of the following reagents turns wh...

Which of the following reagents turns white precipitate of `AgCl` yellow?

A

`NaI`

B

`Na_(3)AsO_(3)`

C

`Na_(3)AsO_(4)`

D

Both (a) and (b)

Text Solution

Verified by Experts

The correct Answer is:
D
`AgCI overset(NaI)rarr underset(("yellow ppt."))(AgI darr)`,
`3AgCI + AsO_(3)^(3-) rarr underset(("yellow ppt."))(Ag_(3)AsO_(3))darr +3CI^(-)`
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GRB PUBLICATION-SALT ANALYSIS-D.Class-A Subgroup-II Acidic Radicals
  1. Choose the incorrect statement:

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  2. The anion which does not produce diatomic gas on treatement with hot a...

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  3. Which of the following reagents turns white precipitate of AgCl yellow...

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  4. When a mixture of solid NaCl and solid K(2)Cr(2)O(7) is heated with co...

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  5. AgCl dissolves in ammonia solution giving

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  6. A mixture upon along adding conc. H(2)SO(4) gives deep red fumes. It m...

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  7. A solution of a salt in concentrated sulphuric acid H(2)SO(4) acid pro...

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  8. A colouless solution of a compound gives a precipitate with AgNO(3) so...

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  9. When chlorine (Cl(2)) water in excess is added to a salt solution cont...

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  10. An aqueous solution of salt containing an acidic radical X^(-) reacts ...

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  11. When chlorine water is added to an aqueous solution of potassium halid...

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  12. Nitrate is confirmed by ring test. The brown colour of the ring is du...

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  13. Nitrates of all the metals except mercury and bismuth are:

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  14. Identify the correct statement:

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  15. Which of the following thermal decomposition yields a basic as well as...

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  16. Choose the correct statement from the following:

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  17. BO(3)^(3-) + underset("conc")(H(2)SO(4))overset(Delta)rarr underset("W...

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  18. CaC(2)O(4)+AcOH overset(Na(2)CO(3))underset("Solution")rarr(X), then X...

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  19. B(OH)(3)+NaOH rarr Na[B(OH)(4)]+H(2)O How can this reaction is made ...

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  20. AgCI is soluble in:

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