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The oxidation number of Cr is +6 in:...

The oxidation number of Cr is +6 in:

A

`FeCr_(2)O_(4)`

B

`KCrO_(3)Cl`

C

`CrO_(5)`

D

`[Cr(OH)_(4)]^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
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Knowledge Check

  • In the complex ion, [Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)]^(-) the oxidation number of Cr is

    A
    `+1`
    B
    `+2`
    C
    `+3`
    D
    `-2`

  • In which of the following compounds of Cr, the oxidation number Cr is not +6 :-

    A
    `CrO_(3)`
    B
    `CrO_(2)Cl_(2)`
    C
    `Cr_(2)O_(3)`
    D
    `K_(2)Cr_(2)O_(7)`

  • STATEMENT-1: In CrO_(5) oxidation number of Cr is +6. STATEMENT-2 : CrO_(5) has butterfly structure in which peroxide peroxide bonds are present.

    A
    If both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT-1
    B
    If both the statement are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-1
    C
    If STATEMENT- is 1 TRUE and STATEMENT-2 is FALSE
    D
    If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE