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Which of the following species has an at...

Which of the following species has an atom with +6 oxidation state?

A

`MnO_(4)^(-)`

B

`Cr(CN)_(6)^(3-)`

C

`iF_(6)^(2-)`

D

`CrO_(2)Cl_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
(A) `MnO_(4)^(-),X+4(-2)=-1.So,X=+7`, (B) `[Cr(CN)_(6)]^(3-),X+6(-1)=-3.So,X=+3`.
(C) `[NiF_(6)]^(2-),X+6(-1)=-2.So,X=+4`,(D) `CrO_(2)Cl_(2),X+2(-2)+2(-1)=0.So,X=+6`.
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Knowledge Check

  • In which of the following sulphur is present in +5 oxidation state?

    A
    1. Dithionic acid
    B
    2. Sulphurous acid
    C
    3. Sulphuric acid
    D
    4. Disulphuric acid

  • Which of the following is a decreasing order of oxidation states of the central atoms?

    A
    (A) `PCl_(5), HIO_(4), Cl_(2)O_(7)^(2-), Cl_(2)O`
    B
    (B) `Cr_(2)O_(7)^(2-), Cl_(2)O, HIO_(4), PCl_(5)`
    C
    (C) `HIO_(4), Cr_(2)O_(7)^(2-), PCl_(5), Cl_(2)O`
    D
    (D) `Cr_(2)O_(7)^(2-), HIO_(4), Cl_(2)O, PCl_(5)`

  • Among the following identify the species with an atom in +6 oxidation state.

    A
    `MnO_(4)^(-)`
    B
    `Cr(CN)_(6)^(3-)`
    C
    `NiF_(6)^(2-)`
    D
    `CrO_(2)Cl_(2)`