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D and F Block Elements question

2020 · Q92
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D and F Block Elements question

2020 · Q92

NEETChemistryD and F Block ElementsMCQ+4 / −1
Identify the incorrect statement.
  1. A
    The transition metals and their compounds are known for their catalytic activity due to their ability to adopt multiple oxidation states and to form complexes.
  2. B
    Interstitial compounds are those that are formed when small atoms like H, C or N are trapped inside the crystal lattices of metals.
  3. C
    The oxidation states of chromium in CrO42- and Cr2O72- are not the same.
  4. D
    Cr2+ (d4) is a stronger reducing agent than Fe2+ (d6) in water.
View written solutionFree

Correct answer: C

Oxidation state of Cr in CrO42- and Cr2O72- is + 6.

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