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In which reaction (s) blood red colorati...

In which reaction (s) blood red coloration is observed in product?

A

`FeSO_(4)overset(H_(2)O_(2))(rarr).......overset("KSCN")(rarr)"product"`

B

`Na_(2)S_(2)O_(3)overset("KSCN")(rarr)..........overset(Fe^(3+))(rarr)"product"`

C

`NH_(4)SCNoverset("Ferric alum")(rarr)"product"`

D

`NO_(2)^(-)overset("Thiourea")(rarr).......overset(Fe^(3+))(rarr)"product"`

Text Solution

Verified by Experts

The correct Answer is:
A,B,C,D
`Fe(SCN)_(3)` is blood red coloured compound
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NARAYNA-CHEMISTRY OF HEAVY METALS-Level-V multiple answer questions
  1. In which reaction (s) blood red coloration is observed in product?

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  2. K(4)[Fe(CN)(6)] is used to detect

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  3. CuSO(4) reacts with KCN to form

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  4. Among the following the colour less compound (s) is // are

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  5. Potassium manganate (K2MnO4) is formed when

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  6. The equilibrium 2Cu^(1) hArr Cu^(0)+Cu^(11) in aqueous medium at 2...

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  7. For the given aqueous reactions, which of the statements(s) is ( are) ...

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  8. CuSO(4).5H(2)O overset(1000^(@)C)(rarr)underset(("solide")("gas"))(A+B...

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  9. Which of the following coinage metal is // are dissolved in conc. HNO(...

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  10. When ferrous sulphate is added to mercuric chloride then

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  11. Which of the following statement is wrong regarding copper sulphate.

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  12. Copper ion forms blue coloured complex with ligand NH(3) and a colourl...

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  13. Which of the following is // are correct about Wilkinson's catalyst?

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  14. Which of the following give O(2) on strong heating ?

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  15. K(2)MnO(4) can be converted to KMnO(4) by

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  16. The diamagnetic compounds is/are

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  17. The compounds that liberate Cl(2) on heating with conc. HCl is // are

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  18. Which of the following ions will give a coloured precipitate with lead...

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  19. The metal oxide which decomposes on heating is // are :

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  20. The species that undergoes disproportionational is an alkaline medium ...

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