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The IUPAC name of [Cr(NH3)6]^(3+) is...

The IUPAC name of `[Cr(NH_3)_6]^(3+)` is

A

(a) hexamminechromium (VI) ion

B

(b) hexamminechromium (III) ion

C

(c) hexamminechromium (II) ion

D

(d) hexamminechloride

Text Solution

Verified by Experts

The correct Answer is:
B
In the given ion `[Cr(NH_3)_6]^(3+)`, the oxidation state of chromium is `+3` and here `6NH_3` ligands are attached to the central metal atom. Therefore its IUPAC name is hexamminechromium (III) ion.
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Knowledge Check

  • [Cr(NH_3)_6]^(3+) ion is:

    A
    (a) diamagnetic
    B
    (b) square planar
    C
    (c) paramagnetic
    D
    (d) none of these

  • The IUPAC name of [Co(NH_(3))_6]Cl_3 is

    A
    (a) hexammine cobalt (III) chloride
    B
    (b) hexammine cobalt (II) chloride
    C
    (c) triammine cobalt (III) trichloride
    D
    (d) None of these

  • The IUPAC name [Co(NH_3)_6][Cr(CN)_6] is-

    A
    Hexaammine cobalt (III)
    hexacyanochromate (III)
    B
    Hexacyanochromium cobalt
    hexaammine (VI)
    C
    Hexaammine cobalt (III)
    hexacyanochromium (VI)
    D
    Hexacyanochromium (III)
    hexaammine cobalt (III)

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