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Reagent that can detect any of Fe^(3+),...

Reagent that can detect any of `Fe^(3+),Co^(2+)` and `Cu^(2+)` is (a) ____.

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The correct Answer is:
`NH_(4)SCN`
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A reagent that can detect any of Cu^(2+),Fe^(3+),Zn^(2+) and Cd^(2+) is ______(a)______.

Reagent which can detect the presence of NH_(3) is:

The only cations present in the slightly acidic solution are Fe^(3+),Zn^(2+) and Cu^(2+) . The reagent that when added in excess to this solution would identify and separate Fe^(3+) in one step is:

The only cations present in a slightly acidic solution are Fe^(3+),Zn^(2+) and Cu^(2+) . The regent that when added in excess to this solution would identify and separate Fe^(3+) in one step is

NH_(4)SCN can be used to test one or more out of Fe^(3+) , Co^(2+) , Cu^(2+) :

The reagent which can't be used to detect the presence of both CO_(3)^(2-) and HCO_(3)^(-) in a mixture is -

The only cations present in slightly acidic solutions are Fe^(3+) , Zn^(2+) and Cu^(2+) . The reagent that when added in excess to this solution would identify and separate Feo in one step is

K_(4)[Fe(CN)_(6)] can be used to detect one or more out of Fe^(2+), Fe^(3+). Zn^(2+), Cu^(2+), Ca^(2+) :

Is their any reaction other then cyanide reaction which can be used for the differentiation of Cu^(2+) and Cd^(2+) ions ?

Cations are classified into varius group on the basis of their behaviour against some reagents .The group reagent used for the classifaction of most common cation are HCI,H_(2)S,NH_(4)OH,(NH_(4))_(2)CO_(3) . Classification is based on whether a cation reacts with these reagents by the formation of precipitates or not . An aqucous solution which is sightly acids contains cattions Fe^(2+),Zn^(2+) and Cu^(2+) . THe rengent added in excess to this solution would identify the separate Fe^(2+) ion in one step is

CENGAGE CHEMISTRY ENGLISH-QUALITATIVE INORGANIC SALT ANALYSIS-Exercises (Fill In The Blanks)
  1. NO(3)^(Θ) is detected by (a) when (b)is formed on the addition of FeS...

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  2. CI^(Θ)is confirmed by (a) .

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  3. Addition of one drop of HNO(3) in group (III) analysis is to (a) .

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  4. Reagent that can detect any of Fe^(3+),Co^(2+) and Cu^(2+) is (a) .

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  5. While testing borate, green edged flame is due so formation of (a) .

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  6. When SO(2) is passed into suspention of CaSO(3) in water (a) is form...

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  7. Alkaline Noverset(o+)(H)(4) salt give brown ppt with K(2)HgI(4); brown...

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  8. Even in the absence of group II,colloidal yellowish ppt appears on pa...

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  9. Hypo gives (a) ppt. with AgNO(3) which changes to (b) .

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  10. Reddish brown colouration when neutral FeCl(3) is added to the CH(3)C...

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  11. As(2)S(3) is soluble in(NH(4))(2)S(2) (yellow ammonium sulphide) due ...

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  12. On heating the salt with NHO(3) and ammonium molybdate , formation o...

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  13. Cu^(2+) gives white ppt. of (a) with (b) and deep blue colour of (c )...

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  14. AgCl is soluble in (a) and Ag^(o+) is present in (b).

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  15. Hg(2)Cl(2) aprecipitate if (a) is greater than K(sp) (Hg(2)Cl(2)).

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  16. Sodium carbonate and mixture are taken in ratio while perparing sodi...

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  17. BaBr(2) in aq solution give yellow ppt ,with (a) as well as with (b).

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  18. Yellow ppt of (a) is formed when CoCl(2) reacts with excess of KNO(...

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  19. Microcosmic salt reacts with coloured ions to form characteristic bead...

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  20. Th esodium carbobate bead test test is which Na(2)CO(3) is along in...

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