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Which is not true statement about FeO ?...

Which is not true statement about FeO ?

A

It is non-stoichiometric and is metal deficient

B

It is basic oxide

C

Its aqueous solution changes to `Fe(OH)_3` and then to `Fe_2 O_3 . (H_2 O)_n` by atmospheric oxygen

D

It gives red colour with KCNS

Text Solution

Verified by Experts

The correct Answer is:
D
Fe(III) gives red colour with KCNS hence, (D) is incorrect.
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BRILLIANT PUBLICATION-THE D-AND F-BLOCK ELEMENTS-QUESTIONS (LEVEL-II)
  1. Consider the following complex ions P, Q and R: P=[FeF6]^(3-), Q=[V(...

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  2. Which one of the following does not correctly represent the correct or...

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  3. Consider the following statements in respect of lanthanides: The basi...

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  4. The electronic configuration of Cu(II)is 3d^9 whereas that of Cu(I) is...

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  5. Interstitial compounds are formed when small atoms are trapped inside ...

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  6. Although Zirconium belongs to 4d transition series and Hafnium to 5d t...

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  7. Anhydrous cobalt(II) chloride is blue in colour but on dissolving in w...

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  8. Which of the following statements is correct when SO2 is passed throug...

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  9. The maximum oxidation state shown by, V(Z=23), Cr (Z=24), Co(z=27), Sc...

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  10. Which of the following compounds is used as the starting material for ...

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  11. An aqueous solution of FeSO4.Al2(SO4)3 and chrome alum is heated with ...

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  12. A solution of a metal ion when treated with KI gives a red precipitate...

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  13. Which of the following statements is wrong?

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  14. Which of the following statements is incorrect?

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  15. Which is not true statement about FeO ?

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  16. Paramagnetism is given by the relation mu = 2sqrt(s(s+1) magnetons whe...

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  17. The oxygen carrying pigment, oxy-hảemocyanin, containing two copper io...

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  18. Which one of the following statements is not correct?

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  19. Consider a titration of potassium dichromate solution with acidified M...

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  20. K3 [Fe(CN)6] is used as an external indicator in the dichromate estim...

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