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STD 12 - 5. Co-ordination chemistry — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 5. Co-ordination chemistry4 Marks
MCQ
The $IUPAC$ name for $[PtCl(NH_2CH_3)(NH_3)_2]Cl$ is
  • A
    diamminechloro(methylamine)platinum $(II)$ chloride
  • B
    (dimethylamine) chlorodiamminoplatinum $(II)$ chloride
  • C
    bis(ammine) chloro(methylamine)platinate $(II)$ chloride
  • ✓
    diaminechloro(mehylarnine)platinum $(II)$ chloride
✓

Answer

Correct option: D.
diaminechloro(mehylarnine)platinum $(II)$ chloride
d
In the given complex we have two bidentate ligands

(i.e $en$ and $C_2O_4$ ), so coordination number of $E$ is $6$

                        $(2 \times 2 + 1 \times 2 = 6)$

Let the oxidation state of $E$ in complex be $x$, then

$[x + (-2) = 1]$ or $x -2 = 1$

or $x = + 3$, so its oxidation state is $+ 3$ Thus option $(d)$ is correct.

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