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Oxidation of Alkenes

In the form o...

Question

In the form of dichromate, $C r (V I)$ is a strong oxidising agent in acidic medium but $M o (V I)$ in $M o O_{3}$ and $W (V I)$ in $W O_{3}$ are not because:

C r (V I)

is more stable than

M o (V I)

and

W (V I)

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M o (V I)

and

W (V I)

are more stable than

C r (V I)

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Higher oxidation states of heavier members of group -

6

of transition series are more stable

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None

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Solution

The correct options are
B $M o (V I)$ and $W (V I)$ are more stable than $C r (V I)$
C Higher oxidation states of heavier members of group - $6$ of transition series are more stable
In acidic medium, $C r (V i)$ in the form of dichromate is a strong oxidizing agent where $M o O_{3}$ and ${W O}_{3}$ are not because:-
1: $M o (V i)$ and $W (V i)$ are more stable then $C r (V i)$
2:Higher oxidation states of heavier members of group- 6 of transistion series are more stable

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Similar questions

Q. Assertion :

C r (V I)

in the form of dichromate in acidic medium is a strong oxidising agent where

M o O_{3}

and

W O_{3}

are not. Reason: In d-block elements higher oxidation states are favoured by heavier members.

Q. Statement I

P b^{4 +}

compounds are stronger oxidising agents than

S n^{4 +}

compounds.
Statement II The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to 'inert pair effect'.(J2008,3M)

Read the following and select one the correct answer.

Statement I: $P b^{4 +}$ compounds are stronger oxidizing agents than $S n^{2 +}$ compounds

Statement II: The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to inert pair effect.

Q. Select the correct option for the below statements:
Statement I:

P b^{4 +}

compounds are stronger oxidizing agents than

S n^{4 +}

compounds.
Statement II: The higher oxidation states for the group

14

elements are more stable for the heavier members of the group due to the ‘inert pair effect’.

Q. why oxides of transition elements are more stable than fluorides?

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In the form of dichromate, Cr(VI) is a strong oxidising agent in acidic medium but Mo(VI) in MoO3 and W(VI) in WO3 are not because:

In the form of dichromate, $C r (V I)$ is a strong oxidising agent in acidic medium but $M o (V I)$ in $M o O_{3}$ and $W (V I)$ in $W O_{3}$ are not because: