1. Tardigrade
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  3. Chemistry
  4. Assertion: Cr(VI) in the form of dichromate in acidic medium is a strong oxidising agent where MoO3 and WO3 are not. Reason: In d-block elements higher oxidation states are favoured by heavier members.

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Q. Assertion : $Cr(VI)$ in the form of dichromate in acidic medium is a strong oxidising agent where $MoO_3$ and $WO_3$ are not.
Reason : In $d$-block elements higher oxidation states are favoured by heavier members.

The d-and f-Block Elements

Solution:

Correct answer is (a) If both assertion and reason are true and reason is the correct explanation of assertion